Lip filler is one of the most searched cosmetic treatments treatments in Australia, and one of the most misunderstood. This educational guide covers the complete picture: what lip filler is, what hyaluronic acid is and how it works, what lip filler can and cannot achieve, how long results last, what the risks are, what it costs across Australia, how to get a natural result, and how to find a qualified provider. It is written as a comprehensive clinical reference for anyone researching this topic in depth.

Quick answer: Lip filler refers to the injection of a hyaluronic acid-based gel into and around the lips to add volume, improve shape, and enhance definition without surgery. Results are immediate, last 12 to 18 months, and are fully reversible using an enzyme called hyaluronidase. In Australia, lip filler is a prescription-only substance that must be administered under appropriate medical supervision.

What is lip filler?

Lip filler is the colloquial term for a cosmetic treatments procedure using a hyaluronic acid-based gel to modify the volume, shape, and definition of the lips. Hyaluronic acid (HA) is a naturally occurring glycosaminoglycan — a long-chain sugar molecule — found throughout the body’s connective tissue. When formulated as a cosmetic injectable, it is cross-linked through a chemical process that determines its density, elasticity, cohesivity, and longevity.

The formulation used for lip filler is specifically engineered for the lips: softer and more pliable than formulations used in structural areas like the nasal bridge or chin, because the lips are a high-movement area and a firmer product would feel unnatural and break down faster under the constant motion of speaking and eating.

Lip filler is also known as lip augmentation, lip injections, dermal filler for the lips, or hyaluronic acid lip filler. All refer to the same treatment category. It is distinct from the lip flip (a neuromodulator treatment to the orbicularis oris muscle that everts the upper lip without adding volume) and from PDO thread lip treatment, which uses dissolvable threads rather than gel.

For a broader overview of all non-surgical lip treatment categories — including Rejuran and PDO threads — see our comprehensive guide to non-surgical lip enhancement.

What lip filler can and cannot achieve

Lip filler works through the addition of volume. It does not remove tissue, alter muscle function, or structurally change bone or cartilage. This distinction defines both what it can and cannot achieve.

What lip filler cannot achieve:

• Permanent volume increase
• Physical alteration of lip muscle or underlying oral anatomy
• Correction of significant structural asymmetry
• Improvement in lip skin pigmentation or colour
• Reduction in lip size — filler adds, it does not remove

How does lip filler work? The procedure step by step

1. Consultation and assessment: the practitioner examines lip anatomy — volume distribution, upper-to-lower ratio, vermillion border, symmetry, and facial proportions — and discusses goals, realistic outcomes, and risks to determine suitability
2. Treatment planning: injection points, product selection, and volume are mapped based on individual anatomy and goals
3. Anaesthetic: numbing cream or injections are applied for approximately 10 minutes; most lip filler formulations also contain lidocaine within the product
4. Injection: 5-15 minutes; multiple small injections placed at anatomically determined points using needle, cannula, or both
5. Real-time assessment: symmetry and volume assessed from multiple angles; minor adjustments made during the procedure
6. Aftercare and review: written aftercare provided; follow-up appointment scheduled

How long does lip filler last?

Lip filler results typically persist for 12 to 18 months. The lips break down hyaluronic acid filler faster than most other facial areas because of constant movement from speaking, eating, and facial expression.

For a detailed breakdown of all factors affecting longevity, see our guide to how long lip enhancement results last.

Lip filler volumes: 0.5ml vs 1ml vs 2ml

Volume is the most commonly asked-about parameter before a first lip filler appointment. The volume numbers refer to the amount of hyaluronic acid gel administered in a single session, measured in millilitres.

For the complete guide to volume decision-making, see our detailed post on lip enhancement treatment volumes.

Lip filler techniques: Russian, classic, and more

The technique used to administer lip filler significantly influences the shape, distribution, and quality of the result. The main techniques used in Australian clinics are:

• Classic volumising: product distributed through the body of both lips for overall fullness
• Border definition: precise placement at the vermillion border for definition without significant volume
• Russian technique: vertical injection approach creating central height and projection; pronounced cupid’s bow; less lateral spread
• Cupid’s bow enhancement: targeted volume at the peaks of the upper lip
• Holistic peri-oral approach: multiple techniques tailored specifically to the entire lip region — most common in experienced hands

Before and after classic lip volume.

Before and after Cupid’s bow definition.

Results of a holistic peri-oral approach.

For a complete explanation of each technique, see our guide to lip enhancement techniques.

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What are the risks of lip filler?

Lip filler is a medical procedure and carries real risks. The lips are a higher-risk site for injectable treatments due to the density of the labial vasculature. The superior and inferior labial arteries present specific vascular risk that practitioners performing lip filler must be trained to manage.

For the complete risk guide, see our post on lip enhancement risks and complications.

Is lip filler reversible?

Yes. Hyaluronic acid lip filler is fully reversible using an enzyme that catalyses the breakdown of the cross-linked gel. When injected into the treated area, dissolution is largely complete within 24 to 48 hours. The lips return to their natural pre-treatment baseline.

This reversibility distinguishes hyaluronic acid filler from permanent or semi-permanent alternatives — including PMMA, silicone, and calcium hydroxylapatite used off-label. None of these should be used in the lips; complications from these products cannot be reversed and have produced severe long-term outcomes in documented cases.

Before and after lip dissolving.

For the complete dissolution guide, see our post on reversing lip enhancement treatments.

How much does lip filler cost in Australia?

Lip filler is not covered by Medicare or private health insurance. For a full pricing guide, see our post on lip enhancement costs in Australia.

What natural lip filler actually looks like

“Natural lip filler” is the most commonly searched term for people considering this treatment — and for good reason. Unnatural results are what most patients fear. The key insight is that unnatural results are almost always the product of excess volume and incorrect placement, not an inherent property of the treatment.

Natural-looking lip filler results share consistent characteristics: proportionate volume relative to the face, preserved natural lip shape, a defined but soft border, natural movement with expression, and an appropriate upper-to-lower lip ratio with the lower lip remaining fuller than the upper.

Before and after natural lip injections.

For the complete guide, see our post on what natural lip enhancement actually looks like.

How big will my lips be after treatment?

This depends on your starting size, and the amount and type of treatment you have. Most people notice a subtle change with their first session. In the first few days after, the swelling will allow you to experience a bigger change: if you like the swelling, then consider an additional session. If the swelling is too much change for you, allow it to settle and switch to maintenacne.

Lip filler swelling: day-by-day timeline

Swelling after lip filler is expected and temporary. It peaks at 24 to 48 hours and resolves progressively over 3 to 7 days. The final result is visible at 2-4 weeks after the product integrates. Do not assess or judge the result before the 2-week mark.

Before and immediately after lip treatment demonstrating initial swelling.

For the complete day-by-day breakdown, see our guide to swelling after lip enhancement treatments.

Lip filler aftercare

In the first 24 hours: avoid exercise, alcohol, heat, and direct pressure on the lips. In the first 2 weeks: avoid dental procedures requiring lip retraction, high-impact exercise, and facial treatments applying pressure to the lip area. Attend your 2-week review appointment. For the complete aftercare guide, see our post on lip filler aftercare.

Lip filler migration: causes and prevention

Lip filler migration occurs when hyaluronic acid gel moves above the natural lip border into the perioral tissue. It is caused primarily by excessive accumulated volume over time and incorrect injection depth. It is uncommon with conservative volumes and correct technique, and is fully reversible with dissolution. For the complete guide, see our post on lip filler migration.

Who performs lip filler in Australia?

In Australia, lip filler is a prescription-only substance regulated by the TGA. It must be prescribed by a registered medical practitioner and administered under appropriate clinical supervision. Under AHPRA guidelines updated in 2023, a doctor-led model — where a registered doctor is responsible for each patient’s clinical assessment and treatment plan — is the expected standard of care.

Cosmetic Connection operates doctor-led lip filler services at its St Leonards, Sydney and Toorak, Melbourne clinics. Every treatment plan is developed by a registered doctor using a suitability-first approach. Flat-fee pricing applies across all treatments.

Lip filler in Sydney and Melbourne

For location-specific guidance on finding a qualified lip filler provider, see our dedicated posts on lip enhancement in Sydney and lip enhancement in Melbourne.

Common myths about lip fillers

Myth 1: “Lip filler will permanently stretch out your skin”

The Reality: When well-administered in conservative amounts, the treatment slowly metabolises over 12 to 18 months. As it breaks down, the skin naturally snaps back to its original baseline. There is no clinical evidence that proper lip treatments leave the lips looking deflated or stretched out once the product wears off.

Myth 2: “Getting lip filler always results in ‘duck lips'”

The Reality: An unnatural, over-projected look (often called “duck lips”) is the result of poor technique, excessive product volume, or filler migrating due to improper depth. It is not an inherent trait of the treatment itself. When placed accurately by an experienced injector using an appropriate upper-to-lower lip ratio, lip filler remains soft, flat, and completely proportionate to the rest of your facial features.

Myth 3: “If you don’t like it, you just have to wait a year for it to go away”

The Reality: You are never stuck with a result you do not want. Because modern lip fillers are made from hyaluronic acid, they are fully and rapidly reversible. By injecting a targeted dissolving enzyme, the gel can be dissolved easily, returning your lips to their natural pre-treatment baseline within 24 to 48 hours.

Myth 4: “Lip filler and a lip flip are the exact same thing”

The Reality: While both target the lips, they use entirely different mechanisms. Lip filler uses a physical gel to add volume, structural shape, and definition. A lip flip temporarily relaxes the muscle around the mouth, allowing the top lip to gently roll outward. A lip flip changes the illusion of the lip height when speaking and smiling without adding any actual volume.

Frequently asked questions

What is the difference between lip filler and the lip flip?

Lip filler uses hyaluronic acid gel to add volume and shape to the lips. The lip flip uses a small amount of neuromodulator injected into the orbicularis oris muscle to relax the upper lip and cause it to evert slightly — creating the appearance of a fuller upper lip without adding volume. The lip flip produces a more subtle result and lasts 6 to 8 weeks. Both can be combined.

How long does 0.5ml lip filler last?

0.5ml lip filler typically lasts 9 to 12 months. Lower volumes break down faster than higher volumes in absolute terms, because there is less product to metabolise. Individual metabolism, product type, and lip movement patterns also affect duration.

Can lip filler look natural?

Yes, when performed with the right volume and technique for the individual anatomy. Natural-looking results are the norm in well-governed clinical practice. Unnatural results are the product of excess volume and incorrect placement, not of the treatment itself.

What is the Russian lip filler technique?

The Russian technique uses a vertical injection approach that creates central projection and height in the upper lip, producing a pronounced cupid’s bow and heart-shaped appearance with less lateral spread. It requires advanced training and is not anatomically appropriate for every patient. Assessment by an experienced practitioner is necessary before this technique is recommended.

Does lip filler hurt?

Most patients find lip filler manageable. Topical numbing cream is applied before treatment, and most lip filler formulations contain lidocaine — a local anaesthetic — within the product. The procedure takes 10 to 20 minutes. Mild tenderness in the first 24 to 48 hours post-treatment is common.

Can I get lip filler while pregnant or breastfeeding?

No. Lip filler is contraindicated during pregnancy and breastfeeding. There is no safety data for hyaluronic acid injectable treatments during either period. Responsible clinics will not perform lip filler on patients who are pregnant or breastfeeding.

What happens if I stop getting lip filler?

The hyaluronic acid breaks down naturally over 12 to 18 months. If treatment is discontinued, the lips return progressively toward their natural baseline as the product metabolises. There is no credible clinical evidence that well-administered lip filler causes permanent negative structural change to the lips over the long term.

How soon before a wedding or event should I get lip filler?

Schedule a first lip filler treatment at least 2 months before an event. This allows 4 weeks for settling, and a follow-up at 4 weeks with enough time for an adjustment or touch-up if needed. Do not have a first lip filler treatment within 4 weeks of an important event.

Can you get lip fillers if you suffer from cold sores?

Yes, as long as you don’t currently have active cold sores (HSV), you can get lip fillers.

What is lip filler dissolving and when is it done?

Lip filler dissolving uses hyaluronidase to break down the hyaluronic acid gel and return the lips to their natural baseline. It is used for emergency vascular management, aesthetic correction of unsatisfactory results, and pre-treatment clearance of accumulated product. Results are visible within 24 to 48 hours. See our full guide to reversing lip enhancement treatments.

How do I make lip fillers last longer?

The three proven ways to make lip fillers last longer are to have higher volumes, use a more cohesive (thicker) filler, and have consistent maintenance. All methods increase the time it takes for your body to break down the filler. No other methods are proven to increase lip filler longevity.

What happens when lip fillers wear off?

When lip fillers wear off, your lips revert to their natural shape and size.

How long to wait between lip filler treatments?

It depends. When building your result, you may need a few sessions in a short period of time, typically over 2-3 months. For maintenance, 1 treatment per year is usually sufficient.

How do I find a good lip filler provider in Australia?

Confirm a registered doctor is involved in your clinical assessment, hyaluronidase is on-site at every appointment, a genuine consultation precedes treatment, pricing is transparent and flat, and a 2-week follow-up review is included. For Sydney-specific guidance, see our post on lip enhancement in Sydney. For Melbourne, see our post on lip enhancement in Melbourne.

Reversal of cosmetic lip enhancement is one of the most important safety features of the treatment category, and one of the least well understood. This guide explains when and why reversal is performed, what the procedure involves, what to expect during and after dissolution, and how to plan re-treatment once the area has settled.

Quick answer: Volume-restoring lip treatments can be fully reversed using an enzyme. Results of dissolution are visible within 24 to 48 hours and the lips return to their natural baseline. Reversal is used for emergency vascular management, aesthetic correction, and pre-treatment clearance of prior product. PDO thread and Rejuran treatments are not reversible in the same way.

Why reversal is performed

There are three distinct clinical contexts in which reversal of cosmetic lip treatment is appropriate:

1. Emergency reversal: in the event of vascular occlusion — where the substance enters or compresses a blood vessel — immediate administration of a reversal agent is the primary management. Time is critical; delayed reversal significantly increases the risk of permanent tissue damage. This is the most urgent context and should be treated as a medical emergency.
2. Aesthetic reversal: if a patient is unhappy with the result of treatment, whether due to volume, shape, asymmetry, or migration, elective reversal returns the lips to their pre-treatment baseline. After full dissolution and a settling period, new treatment can be planned with a corrected approach.
3. Pre-treatment clearance: patients who present with significant accumulated product from prior providers, particularly where migration has occurred or where the anatomy cannot be reliably assessed through existing product, may require dissolution before new treatment can be appropriately planned.

What hyaluronidase does

Hyaluronidase is a naturally occurring enzyme that catalyses the breakdown of hyaluronic acid. Synthetic derivatives are used to break down the product used in cosmetic treatments. When placed into the treated area, it disrupts the structural bonds of the gel, causing it to break down rapidly and be reabsorbed by the surrounding tissue. The result is visible within hours and largely complete within 24 to 48 hours.

The reversing agen also acts on naturally occurring hyaluronic acid in the surrounding tissue. This is why there can be a brief period of looking “worse than baseline” immediately after dissolution before the tissue normalises. This typically resolves within a few days.

What happens during a dissolution appointment

1. Assessment: the practitioner evaluates the existing product including its location, volume, and distribution to determine appropriate dose and placement
2. Treatment: The reversal agent is placed into the same areas where the original product was placed; the procedure takes 5 to 15 minutes
3. Immediate observation: some reduction in volume is typically visible immediately; full effect is seen at 24 to 48 hours
4. Review: a follow-up assessment at 48 to 72 hours allows confirmation that dissolution is complete; additional hyaluronidase may be needed if residual product remains

Before and after lip dissolving.

What to expect after dissolution

Re-treatment after dissolution

Most patients can receive new treatment 2 to 4 weeks after dissolution, once the tissue has fully settled and the natural baseline anatomy is clear. Attempting re-treatment too soon, before the dissolving enzyme has fully cleared and the tissue has normalised, risks interaction between residual dissolver and the new product.

Re-treatment after dissolution is an opportunity to approach the anatomy correctly from the outset. A thorough consultation, conservative volume, correct technique, and a 2-week review plan all contribute to a better outcome after dissolution than was achieved in the original treatment.

If you’re interested in improving the appearance of your lips and want to understand your options, request a consultation with our clinical team. We’ll assess your lips using our 3 pillar framework, and provide fair, honest guidance.

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Frequently asked questions

Does dissolution hurt?

Most patients find it manageable with the appropriate use of numving. The procedure is typically quicker than the original lip volume treatment.

Will my lips look worse than before I started after dissolution?

There is typically a brief period in the first 24 to 48 hours after dissolution where the lips may appear slightly deflated or flat relative to the true natural baseline. This occurs because the reversal has a temporary effect on surrounding natural tissue.

Keep in mind that if you’ve had treatment for a long time, dissolving it will reveal your lips’ true natural baseline, which may have changed due to the normal aging process since you started treatments.

How much does dissolution cost?

Dissolution pricing in Australia typically ranges from $700 to $1000 for a single session. Clinics that treat their own patients’ complications typically absorb or discount this cost as part of their complication management process. When dissolving product from a different provider, the full fee usually applies.

Can PDO threads or Rejuran be dissolved?

Not in the same way as traditional cosmetic treatments. PDO threads dissolve naturally over 6 to 12 months and cannot be chemically dissolved. Individual threads that extrude to the surface can be physically removed at the clinic. Rejuran effects diminish naturally over time and cannot be reversed with a dissolution agent.

Want to know more about lip enhancement?

Read our complete guide to lip enhancement in Australia.

One of the most common questions before a first lip enhancement appointment is how much volume to use. This guide explains lip enhancement treatment volume, including what the volume numbers mean, what different volumes realistically achieve, and why volume is less relevant than many believe.

Quick answer: The specific volume of treatment is less relevant than the type of volume and the technique. Specific volume requirements vary depending on starting size, lip tissue type, product, technique, and goals. The right approach is to start conservative for your specific needs and add more once healed if needed. Post-treatment swelling let’s you experience a bigger change, so you will know if more volume at a subsequent session is needed.

What does the volume number actually mean?

Volume in lip enhancement refers to the amount of treatment administered in a single session, measured in millilitres. A standard syringe used for lip volume treatment contains 1ml of product. Half a syringe is 0.5ml. Many clinics offer the option between the two.

The volume number is a measure of quantity, not outcome. The same 1ml administered by two different clinicians using two different techniques can produce dramatically different results. Volume is one input into the outcome; technique, product selection, treatment depth, and anatomical starting point all contribute equally or more.

What different volumes realistically achieve

Associating a result with just volume is impossible without understanding your starting point, product type, lip tissue type, and treatment technique. However, as a rule of thumb, most people need more volume than they initially believe.

Despite this, a conservative approach (in both type and quantity) is always preferable, because once healed, more can always be added.

Interestingly, it is almost never the case that someone needs exactly 0.5 or 1mL exactly. It has historically been advertised this way to productise a service, so people undergo more treatments.

How to choose the right lip treatment size

To choose the right lip filler size, have a consultation with an experienced aesthetician. Trying to choose the right size without the knowledge and experience of an expert is difficult, and inaccurate. Rather than trying to choose the right size, think about the goals you have for your lips. During a consultation, clearly communicate these goals. It is the job of the clinician to design the best treatment plan to achieve the lip size you want.

Why the volume decision belongs at consultation, not booking

Any clinic that asks patients to select their volume at the time of online booking before they have been assessed by a practitioner is working backwards. Volume selection before assessment prioritises sales over outcome.

The appropriate volume for a given patient depends on:

• The natural volume and shape of both the upper and lower lip
• The ratio of upper to lower lip (the aesthetic ideal is approximately 1:1.6, with the lower lip fuller)
• The lip-to-face proportion: lips that look natural on one face may look excessive on another
• The patient’s specific goals: border definition and hydration requires less volume than overall fullness
• Prior treatment history: residual product from prior sessions changes the anatomical starting point
• The technique being used: some techniques achieve more result per ml than others

A conservative first treatment with a follow-up refinement session is preferable to a maximal first approach. Post-treatment swelling allows you to experience a bigger change, without the risk of over-treating.

It is straightforward to add volume at review once the initial swelling has resolved and the result is clear. Reversing an overfilled result often requires dissolving the entire treatment and starting again.

As it is impossible to predict volume requirements with certainty, it is not possible to know exactly how much volume you need.

The upper lip vs lower lip — does volume split matter?

Most lip enhancement treatments address both the upper and lower lip in the same session. The split of volume between upper and lower is a technique decision, not a patient preference. A common error is placing excessive volume in the upper lip relative to the lower as this creates an unnatural proportion and is a frequent contributor to overdone-looking results.

The lower lip is naturally fuller than the upper lip in most aesthetically balanced faces. Treatment planning that respects this ratio rather than maximising upper lip volume because it is the most visible produces consistently more natural outcomes.

Of course, treatments should also consider your personal aesthetic preferences. Part of treatment planning is not just about ideal ratios, but also understanding your lip goals, and tailoring the volume distribution to achieve the look you want.

What 0.5ml looks like vs 1ml — realistic expectations

The most common source of disappointment after first-time lip treatment is expecting a certain result and getting something different, usually more subtle than expected.

The concept here is that larger baseline lips need more volume to see a change, compared to smaller natural lips that need less.

Before and after 1mL (healed)

Before and after 0.5mL (healed)

Before and after 1mL (healed)

For more visual references of realistic results across different starting points, see our guide to what natural-looking lip enhancement actually looks like.

If you want to explore your options and suitability for lip enhancement, request a consultation with our clinical team. We’ll assess your lips using our 3 pillar framework, and provide fair, honest guidance.

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Does 1mL make a difference?

Yes, in most cases 1mL is sufficient to achieve a visible difference. The exception is in cases where there is a larger starting size, in which case 1mL is often insufficient.

Frequently asked questions

Is 0.5ml enough to make a visible difference?

For most patients with naturally thin or low-volume lips, yes, 0.5ml produces a visible (yet subtle) improvement. For patients with moderate existing volume who want a subtle refinement, 0.5ml is often insufficient. The result depends more on the product, technique used, and the starting anatomy than on the volume alone.

Will 1ml look unnatural?

Not necessarily. The result primarily depends on product type and technique rather than volume. Unnatural results are caused by a treatment that does not respect what the anatomy supports, and by incorrect placement, not just the volume. Inexperienced clinicians compensate for poor technique and product selection by using more volume than necessary.

Can I get more volume added at my review?

Yes. A follow-up appointment is standard practice at reputable clinics and allows both the practitioner and the patient to assess the final result once all swelling has resolved. If additional volume would improve the outcome, it can be discussed and administered at that point. This is far preferable to over-treating at the first session.

What happens if I get too much volume?

If the result is overfilled or unnatural, the cosmetic substance can be reversed. Reversal returns the lips toward their natural baseline within 24 to 48 hours, after which new treatment can be planned with a corrected approach. See our guide to reversing lip enhancement treatments for a full explanation.

Want to know more about lip enhancement?

Read our complete guide to lip enhancement in Australia.

The technique used during a lip enhancement appointment significantly influences the shape, distribution, and quality of the result. This guide explains the main techniques used in Australian clinics, what each achieves, which anatomy each suits, and how the technique decision should be made.

Quick answer: The main lip enhancement techniques are classic volumising, Russian technique, cupid’s bow enhancement, and holistic peri-oral approach. Each produces a different result and suits different goals and lip types. Technique selection is a clinical decision based on individual anatomy, not a patient menu choice.

Why technique matters as much as volume

The same amount of substance placed by two different clinicians using two different techniques can produce completely different results in shape, distribution, longevity, and aesthetic outcome. Volume determines quantity; technique determines where that quantity goes and what it achieves.

Understanding the main techniques helps patients ask better questions at consultation and understand why their practitioner recommends a particular approach for their anatomy.

The main lip enhancement techniques

Before and after classic volumising lip treatment.

Before and after Russian lip technique.

Before and after Cupid’s bow definition treatment.

Before and after holistic perioral approach.

The Russian technique: detailed explanation

The Russian technique has become widely searched because of its distinctive aesthetic, a pronounced cupid’s bow, significant upper lip height and projection, and a heart-shaped appearance when looking straight on. It is not better or worse than other techniques, it produces a specific result that suits specific anatomy and goals.

The technique uses a vertical approach, placing product more centrally in the lip with less volume spread to the lateral portions. This creates height (the lip appears taller from above the border) and projection (the lip comes forward) rather than lateral fullness.

Considerations for the Russian technique:

• It requires advanced skills and specific training — it is not simply a matter of using a different syringe position
• It is not anatomically suitable for all lip types — patients with very thin lips or minimal natural upper lip height may not achieve the intended result and may be better served by classic volumising first
• It tends to break down slightly faster than classic technique because the product is more concentrated centrally in a high-movement zone
• Your practitioner should assess your anatomy before recommending this technique — requesting it specifically without assessment is not appropriate clinical practice

Needle vs cannula: how instruments affect the result

Both needles and cannulas are used for  lip treatments. The choice of instrument affects technique, comfort, bruising risk, and precision.

Many experienced clinicians use the right instrument for the job — needle for precise work, cannula for volumising the body of thin lip. The instrument selection is a technical decision made by the practitioner based on the technique being used and the individual patient’s anatomy.

PDO thread techniques for the lips

PDO thread treatment for the lips uses a different mechanism — threads create definition rather than volume. The technique involves placing fine threads along the lip border or through the lip tissue, creating a mechanical lifting and everting effect as the threads tighten and integrate with surrounding tissue.

PDO thread techniques for the lips include border threads (placed along the vermillion border to define and slightly evert the lip edge), commissure threads (placed at the corners to lift downturned corners), and lip body threads (placed through the lip tissue to provide subtle lift and collagen stimulation). The technique used depends on the specific concern being addressed.

If you would like an honest assessment of what is realistic for your specific anatomy, request a consultation with our clinical team. We’ll assess your lips using our 3 pillar framework, and provide fair, honest guidance.

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Frequently asked questions

Can I request a specific technique at my appointment?

You can express a preference for a particular aesthetic result — such as more height and projection, or softer overall fullness — and your practitioner should explain which technique best achieves that for your anatomy. Requesting a specific technique by name without assessment is not appropriate; the same technique produces different results in different anatomies, and your practitioner needs to assess you before recommending an approach.

Is the Russian technique safe?

Yes, when performed by a trained and experienced clinician. The technique requires specific training beyond general training, and practitioners who perform it should have demonstrated experience with this approach specifically. Ask directly about their training and experience with the Russian technique before proceeding.

Which technique gives the most natural result?

There is no single technique that universally produces the most natural result — the most natural result comes from the technique that best suits the individual anatomy and goals. For most patients seeking a natural enhancement, a combined anatomical approach using the minimum effective volume produces the most consistently natural outcome. See our detailed guide on natural lip enhancement results for more.

Do lip treatments hurt?

Some mild discomfort during lip treatment is normal. Most clinics offer topical numbing cream to reduce discomfort. Doctor-led clinics may also offer numbing to further reduce any sensations during treatment.

Want to know more about lip enhancement?

Read our complete guide to lip enhancement in Australia.

Nose filler is the colloquial term for one type of non-surgical rhinoplasty, a cosmetic procedure that reshapes the nose without surgery. It is one of the most searched cosmetic treatments in Australia, and one of the most misunderstood. This reference guide covers the complete picture: what nose filler is, how it works, what it can and cannot achieve, how long results last, what the risks are, what the procedure costs in Australia, how to find a qualified provider, and how the treatment compares to surgical rhinoplasty. It is written as a comprehensive resource for anyone researching this topic in depth.

Quick answer: Nose filler, also called liquid rhinoplasty or non-surgical rhinoplasty, is a procedure that uses a substance to reshape the nose without surgery. Results are immediate, last 12–18 months, and are reversible. In Australia, the substances used must be administered under appropriate medical supervision.

What is nose filler and what substance is used?

Nose filler refers to the use of a cosmetic treatment, most commonly a hyaluronic acid-based substance, to add volume and alter the shape of the nose. Hyaluronic acid is a naturally occurring substance found in the body’s connective tissue. When used as a treatment, it is formulated into a gel of varying densities to suit different anatomical applications.

For the nose specifically, a firmer, higher-density formulation is used to provide structural support, the same gel used for lips would not provide sufficient lift or definition in the nasal region. The choice of product, its rheology (how it behaves under pressure and movement), and the injection technique all influence the quality and safety of the outcome.

The procedure is also sometimes called a liquid rhinoplasty, non-surgical nose job, or injectable rhinoplasty, all referring to the same treatment.

What can nose filler achieve?

Nose filler works through the strategic addition of volume, it does not remove tissue or physically restructure bone or cartilage. This is the most important distinction between nose filler and surgical rhinoplasty.

What nose filler can achieve:

What nose filler cannot achieve:

• Physical reduction of nose size
• Narrowing of the nasal bones or nostrils
• Correction of a deviated septum
• Improvement of breathing function
• Permanent structural change

How does the procedure work?

A non-surgical rhinoplasty session involves the following steps:

1. Consultation and assessment — the treating practitioner reviews the patient’s goals, examines the nasal anatomy including skin thickness, vascular landmarks, and existing tissue, and discusses realistic outcomes and risks, to determine suitability
2. Treatment planning — injection points, product selection, and volume are mapped based on the individual anatomy
3. Injection — the procedure takes 10–20 minutes; a fine needle or cannula is used depending on the zone and technique
4. Real-time assessment — results are assessed from multiple angles during the procedure and adjustments made
5. Aftercare and follow-up — aftercare instructions are provided and a follow up may be scheduled

How long does nose filler last?

The longevity of nose filler depends on several interacting factors:

In clinical practice, nose filler results typically persist for 12–18 months. The nasal region is a relatively low-movement area compared to lips or forehead, which contributes to longevity at the longer end of this range for many patients.

After 2–3 consistent treatment cycles, some patients find that residual product from previous sessions means each subsequent treatment requires less volume to achieve the same result.

What are the risks of nose filler?

The nose is considered one of the higher-risk areas of the face for injectable treatments, although it is still classified as a low-risk treatment when performed correctly. Understanding the risk profile is essential for both patients and practitioners.

Vascular occlusion — the most serious risk

Vascular occlusion occurs when the injectable substance enters or compresses a blood vessel, interrupting blood supply to the surrounding tissue. Vascular occlusion is one of the most serious complication associated with facial injectable treatments.

The nasal anatomy includes the angular artery, dorsal nasal artery, and lateral nasal artery — branches of larger vessels with anastomotic connections that can, in rare cases, allow the injectable substance to reach the ophthalmic artery and vessels supplying the eye.

Signs of vascular occlusion:

• Blanching (immediate white discolouration) of the skin during or after injection
• Unusual or disproportionate pain during injection
• Progressive skin discolouration post-procedure
• Vision changes (rare — indicates severe complication)

Management: immediate administration of an appropriate reversal agent is the primary intervention. This must occur within minutes to avoid permanent tissue damage. This is why the reversal agent must be physically present in the clinic at every appointment — not available to order or accessible nearby.

Other risks:

Is nose filler reversible?

Yes. The treatments used for non-surgical rhinoplasty in Australia can be reversed using an enzyme that catalyses the breakdown of hyaluronic acid. When administered into the treated area, hyaluronidase produces significant reversal within 24–48 hours in most cases.

Reversal is used in three contexts:

1. Emergency reversal — in the event of vascular occlusion, immediate hyaluronidase administration is the primary treatment
2. Aesthetic reversal — if a patient is unhappy with the result, elective reversal returns the nose to baseline before re-treatment
3. Pre-treatment clearance — if a patient presents with existing filler from a prior provider, reversal is sometimes indicated before adding new product

This reversibility distinguishes hyaluronic acid filler from permanent injectable substances (PMMA, silicone, calcium hydroxylapatite used non-standard) — none of which should be used in the nose because complications from these products cannot be reversed.

How much does nose filler cost in Australia?

Non-surgical rhinoplasty in Australia is priced across a wide range depending on the provider model, the practitioner’s qualifications, the location, and the volume and product used.

By city:

• Sydney: $900–$1,800
• Melbourne: $850–$1,600
• Brisbane: $800–$1,200
• Gold Coast: $750–$1,500

Non-surgical rhinoplasty is not covered by Medicare or private health insurance in Australia. It is a cosmetic procedure with no applicable item numbers.

Nose filler vs surgical rhinoplasty: a complete comparison

Who performs nose filler in Australia?

In Australia, cosmetic injectable treatments, including the substances used for nose filler must be prescribed by an authorised prescriber (a registered medical doctor) and administered under appropriate clinical supervision.

In practice, non-surgical rhinoplasty is performed by:

• Cosmetic doctors: registered medical practitioners with specific training in cosmetic injectable medicine. This is generally the recommended model for nasal injectable treatment given the complexity and risk profile
• Plastic surgeons: primarily surgical specialists; may offer non-surgical rhinoplasty as a complementary service, with less experience in injections
• Nurses: registered nurses or nurse practitioners who, in a properly supervised model, may administer injectable treatments under doctor oversight. The degree of oversight varies significantly in practice
• Dermatologists: skin specialists who may offer cosmetic injectables as a complementary service

Nose filler in Sydney and Melbourne

Non-surgical rhinoplasty is among the most commonly performed cosmetic injectable procedures in both Sydney and Melbourne. Both cities have a high concentration of providers across a wide quality spectrum.

In Sydney, nose filler providers are concentrated in the CBD, North Shore, Eastern Suburbs, and Inner West. Pricing reflects Sydney’s higher operating costs and averages $1,100–$1,800 for doctor-led treatment.

In Melbourne, nose filler providers are concentrated in the inner south-east, including Toorak, South Yarra, Hawthorn, and Prahran, as well as the CBD. Pricing averages $850–$1,600 for doctor-led treatment.

Cosmetic Connection offers doctor-led non-surgical rhinoplasty at its St Leonards (Sydney) and Toorak (Melbourne) clinics, using a suitability-first assessment model and flat-fee pricing.

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Specific nose types and treatment considerations

Flat bridge (common in East Asian, Southeast Asian, South Asian, and African anatomies) Bridge height treatment is one of the most consistently satisfying applications of non-surgical rhinoplasty. Adding volume along the dorsum increases vertical projection, which reads as a slimmer, more defined nose from the front. Results are predictable and longevity is typically at the longer end of the range due to the low-movement nature of the bridge.

Dorsal hump (bump on the bridge) The camouflage technique, adding volume above and below the hump to create a straight profile line — is effective for small to moderate humps. Large humps exceed the practical limit of the non-surgical approach; the volume required to create a straight profile makes the overall nose appear larger and wider. For large humps, surgical rhinoplasty is the appropriate intervention.

Drooping tip Tip placement rotates it upward, shortening the apparent length of the nose and improving the profile. This is a technically demanding zone as the skin over the tip is thinner and more transparent than over the bridge, making surface irregularities more visible. Conservative, precise volume is essential.

Bulbous tip Filler adds volume, and when used strategically can refine a bulbous tip. However, over-treatment worsens the concern. Therefore, for pronounced changes, surgery is more appropriate.

Wide nose Width caused by a flat bridge responds well to bridge height treatment. Width caused by wide nasal bones or a large nostrils cannot be improved non-surgically. An honest suitability assessment must distinguish between these two presentations before treatment is offered.

What do nose filler results look like?

See more nose filler results.

Aftercare for nose filler

Post-treatment care affects both the safety and longevity of the result.

Immediate (0–48 hours):

• Avoid strenuous exercise, alcohol, and direct heat exposure
• Do not apply pressure to the nose: no glasses resting on the bridge, no face-down massage
• Apply a wrapped ice pack briefly if swelling is uncomfortable
• Avoid makeup directly over injection sites for 24 hours

First 2 weeks:

• Avoid high-impact exercise for the first 48–72 hours; resume gradually
• No facials or treatments applying pressure to the nose
• Avoid prolonged sun exposure without SPF
• Glasses that rest on the bridge should be avoided for at least 1 week; ideally 2 weeks

Assessment: The final result is visible at 2 weeks once all swelling has resolved. A follow-up review appointment at this stage is standard practice at reputable clinics and allows for assessment and minor adjustments if needed.

Nose filler swelling stages – what to expect

Following non-surgical rhinoplasty (nose filler), it’s normal to experience swelling. Here’s a breakdown of the stages of nose filler swelling you can expect:

Immediately after treatment

• Slight redness and tenderness around the injection sites.
• Minimal swelling, localised to the treated areas. This is usually barely noticeable, but may appear slightly uneven.

Day 1:

• Swelling reaches its peak within 24 hours. Your nose may look fuller and puffy.
• This is temporary and doesn’t reflect the final result.
• You may notice mild discomfort in your nose.

Days 2-3:

• Swelling subsides, becoming less noticeable each day.
• Your nose will still look somewhat puffy, but the shape will become more defined.

Days 4-5:

• Swelling should be mostly resolved.
• Any slight persistent swelling will reduce over the next week, revealing your final result.

Tips to reduce swelling after non-surgical rhinoplasty

• Everyone heals differently, so your own experience may vary.
• If you experience significant swelling, pain, redness, or bruising, immediately contact your clinic.
• Avoid activities that worsen swelling for 24 hours. This includes alcohol, strenuous activities, excessive heat, and sun exposure.
• Minimise swelling by gently applying wrapped cold pack to your nose. Use it intermittently for a few hours after your treatment.

How to choose a nose filler provider in Australia

The most important criteria when evaluating a nose filler provider:

1. Doctor-led or genuinely doctor-supervised — choosing a clinic that has doctors on site, not just “medically affiliated”
2. Doctors with proper training — General injectable training is not enough. Nose-specific training is required
3. Reversal agent on-site at every appointment — confirmed, not just “available”
4. Specific nasal injectable experience — ask directly about volume and training
5. Genuine suitability assessment — not a booking form
6. Transparent, upfront pricing — flat-fee preferred; per-unit pricing creates incentives for over-treatment
7. Follow-up review included — standard at responsible clinics
8. Clear complication management process — ask specifically what happens if there is a vascular event

Red flags: no doctor involvement, reversal agent not confirmed, treatment booked without proper consultation, pricing that changes on the day, discount vouchers for nose treatment specifically.

Practitioner verification: AHPRA registration can be confirmed at ahpra.gov.au for all registered medical practitioners and nurses.

Common myths about nose fillers

Myth: Nose fillers are painful.

Fact: Nose fillers can cause some discomfort, but the procedure is generally very well-tolerated.

Myth: Nose fillers are permanent.

Fact: Nose fillers are not permanent. The effects of nose fillers typically require maintenance every 12-18 months.

Myth: Nose fillers cannot drastically change the shape of your nose.

Fact: While nose fillers are powerful ways to optimise fine details of your nose, when used correctly that they can also dramatically alter the shape of your nose for the better.

Myth: Anyone with basic training can perform a nose filler treatment.

Fact: It is important to have nose fillers administered by a qualified medical professional with extensive experience in treating noses.

Myth: Nose fillers can cause serious side effects.

Fact: Like any medical procedure, there are potential risks and side effects associated with nose fillers include serious ones. This is why its vital to choose the right clinician, to keep the risks low.

Myth: You can’t wear glasses after getting nose fillers.

Fact: While you may experience some swelling or tenderness after getting nose fillers, you should be able to wear glasses a few days after the procedure.

Myth: Nose fillers are only for women.

Fact: Both men and women can benefit from nose fillers. In fact, the demand for non-surgical nose enhancement among men has been significantly increasing in recent years.

Myth: Nose fillers can make you look fake or artificial.

Fact: When performed by a qualified medical professional, nose fillers refine your nose and give you a more balanced, proportionate look.

Myth: Nose fillers are only for people with small noses.

Fact: Nose fillers can be used to enhance the appearance of any size nose.

Myth: Nose fillers will widen the nose from the front.

Fact: Experienced clinicians are able to make your nose look slimmer from the front.

Myth: Nose fillers have a high risk of making you go blind.

Fact: Vision loss is a risk of all fillers, but it is a very remote risk when adequate precautions are taken, and the treatment is performed by a fully trained doctor.

Frequently asked questions

What is the difference between nose filler and non-surgical rhinoplasty?

They are the same procedure described with different terminology. Nose filler refers to the injectable treatment used; non-surgical rhinoplasty refers to the procedural outcome — nose reshaping without surgery. Liquid rhinoplasty is another term for the same thing.

Can nose filler fix a broken nose?

No. A broken nose involves structural damage to the nasal bones. Injectable treatment adds volume — it cannot repair or realign bone. Some post-injury cosmetic asymmetries can be partially improved non-surgically, but this requires careful assessment and is not appropriate in all cases.

Can dermal filler lift the nose tip?

Yes, the nose tip can be lifted by adding projection and support.

Is nose filler safe during pregnancy or breastfeeding?

No. There is no safety data for cosmetic injectable treatments during pregnancy or breastfeeding. They are contraindicated in both situations.

How do I know if my previous nose filler has fully gone?

The most reliable way is assessment by a qualified practitioner. Ultrasound imaging can identify residual product in some cases. Clinically, a practitioner can assess tissue consistency and behaviour at the injection sites to estimate how much residual product remains.

What is the tinkerbell nose tip with dermal filler?

The tinkerbell nose tip describes an approach that aims to maximise tip projection. This is achieved by projecting the nose tip, and leaving a cap in the supratip area, creating a deep inflection point between the dorsum and tip.

Can nose filler migrate to other parts of the face?

With correct technique, migration is uncommon. However, inappropriate injection depth, excess volume, or product with poor structural properties can lead to the substance shifting from the intended location over time. This is one reason product selection and technique matter significantly for this procedure.

What is the difference between a cannula and a needle for nose filler?

Both are used for non-surgical rhinoplasty. A needle is sharp and allows more precise point placement. A cannula is blunt and flexible, which reduces the risk of penetrating a blood vessel directly. Many practitioners use a combination of both techniques depending on the zone. Neither approach entirely eliminates vascular risk — knowledge of anatomy and aspiration technique are more important than the instrument used.

How many sessions of nose filler does it take to achieve the result I want?

In most cases, one session achieves the primary result. A second session may refine the outcome once swelling has fully resolved at 2 weeks and the practitioner has a clear view of the baseline result. Ongoing maintenance sessions every 12–18 months maintain the achieved result over time.

How do you sleep with nose fillers?

Avoid sleeping on your stomach or with your face pressed against your hands, wrists and arms for 5 days. Sleeping with one pillow on your back or side is ideal.

Are nose fillers worth it?

Nose filler has a very high satisfaction rate, but whether or not it is worth it is a very personal decision that depends on how dissatisfied you are with your current nose, and how you perceive the cost and risk involved in treatment. A consultation is the best way to find out whether nose fillers are worth it for you.

Does nose filler work for asian noses?

Yes, nose filler is one of the most commonly performed cosmetic treatments in Asia. Typically, treatments aim to project and define the nasal bridge.

What happens to my nose if I stop having nose filler after many years of treatment?

The injectable treatment gradually reduces after cessation of maintenance sessions, and the nose returns toward its natural baseline. There is no evidence that long-term nose filler use permanently alters the nasal anatomy in ways that would make the natural nose look worse — though this is a common concern. Some patients find their nose looks very similar to their pre-treatment baseline after full reduction of accumulated product.

Want to know more about non surgical rhinoplasty?

Read our complete guide to non surgical rhinoplasty in Australia.

Fat dissolving is non-surgical — and while they are no downtime, there’a some important things to understand about the post-treatment period.

Many patients expect to walk out with a slimmer chin and carry on as normal. Instead, they walk out looking more swollen than when they walked in. This surprises people who weren’t properly prepared — and it’s the reason recovery deserves its own guide.

We call this the”swelling stage”. It isn’t a complication. It isn’t a bad reaction. And it doesn’t mean something has gone wrong. In fact, swelling is a sign the treatment is doing exactly what it’s supposed to do.

Fat dissolving works by triggering a controlled inflammatory response. The process damages the fat cell wall, and your body floods the area with fluid and immune cells to break down and clear the destroyed fat. No inflammation means no fat destruction — so swelling isn’t optional, it’s essential.

This guide walks you through the full recovery process step by step:

• what swelling should look and feel like
• how long each phase lasts
• what’s normal, what’s not, and when to call your clinic
• and how to care for the area so healing stays smooth and predictable

If you know what’s coming, recovery feels manageable — not alarming. And once the swelling settles, the payoff becomes clear.

What is the “swelling stage”? (And why you want it)

The “swelling stage” effect describes the visible swelling that appears almost immediately after fat dissolving in the double chin area. For most patients, the under-chin can look up to twice its usual size within hours of treatment. It can feel firm, puffy, warm, or slightly tender to touch.

This swelling happens for two reasons.

1. The treatment itself adds temporary volume.
2. Your body sends fluid and inflammatory cells to the area to break down the damaged fat cells and carry the debris away. This biological clean-up process is what ultimately creates the result.

This is why fat dissolving swelling is not something to “avoid” or suppress. It’s a core part of how the treatment works. Patients who swell tend to respond better than those who barely react.

Practically, this means a few things:

• You won’t walk out looking slimmer — you’ll look temporarily fuller.
• The swelling peaks early, then gradually settles.
• The presence of swelling does not predict poor results. It predicts activity.

Many patients plan their treatment around this phase. Booking before a weekend, wearing a scarf or high-neck clothing, or scheduling during a quieter social period can make the experience far more comfortable.

Once the swelling subsides, the contour change underneath becomes visible — and that’s when the result starts to feel worth it.

Fat dissolving recovery: Day-by-day timeline

Below is a realistic, experience-based guide to what most patients go through after fat dissolving under the chin. Everyone heals slightly differently, but this gives you a reliable framework so there are no surprises.

Days 1–3: Peak swelling (The “swollen” phase)

This is when swelling is at its maximum.

• The area under the chin may look significantly larger than before treatment.
• The tissue often feels soft, jiggly, or water-filled, similar to gel or jelly.
• Tenderness, warmth, and mild aching are normal.
• Some patients notice temporary numbness or tingling.

This phase is not a complication — it’s the inflammatory response breaking down fat cells. Trying to aggressively “flatten” the swelling at this stage is counterproductive.

Days 4–7: Settling and bruising

The swelling begins to reduce, but visual changes can be uneven.

• Bruising may become more visible as swelling drops (yellow, purple, or green tones).
• The area may feel firmer in patches rather than soft.
• Mild tightness or itchiness is common as healing begins.

Most people feel comfortable being seen in public again during this window, even though the area doesn’t look “normal” yet.

Weeks 2–4: The lumpy or firm phase

This stage causes the most worry — and it’s also the most misunderstood.

• You may feel small, firm, pea-sized or rope-like areas under the skin.
• The area can feel uneven or slightly tender to pressure.

This is called induration. It’s the fat hardening as it’s being broken down and cleared by your lymphatic system. These are not filler lumps, not scar tissue, and not permanent. They resolve gradually without intervention.

Beyond 4 weeks: Visible results appear

This is when the payoff happens.

• Swelling has resolved.
• The skin begins to retract and adhere more closely to the jawline.
• The under-chin profile looks smoother and more defined as results emerge.
• At this point, we assess whether:
  • Another round of fat dissolving is needed (most people undergo 2-4 sessions), or
  • Other treatments would add refinement, or
  • Treatment is complete.

Fat dissolving is a gradual-reward treatment. The result doesn’t appear overnight — it appears once your body finishes the clean-up process.

Fat dissolving aftercare: The do’s and don’ts

Proper aftercare doesn’t make the treatment “work better” — but it does reduce unnecessary swelling, bruising, and discomfort while your body does the real work. Think of this phase as supporting the healing process, not interfering with it.

What to do after fat dissolving

Sleep on your back with 1-2 pillows for 3 nights. This helps fluid drain away from the treated area and can noticeably reduce morning swelling.

Apply cold packs for 20 minutes per hour, for up to 72 hours. This helps with swelling, comfort and bruising — not fat breakdown.

What To Avoid after fat dissolving

Alcohol for 48 hours. Alcohol increases inflammation and bruising, which can prolong recovery.

Heat exposure. Skip saunas, steam rooms, hot yoga, and long hot showers for at least 72 hours. Heat amplifies swelling during the inflammatory phase.

Massage or pressure (first 48 hours). Let the product stay exactly where it was placed. Early massage can shift inflammation into areas we deliberately avoided.

High-impact exercise (first 48 hours). Light walking is fine. Intense cardio or weight training can worsen swelling early on.

A Common Mistake

Trying to “fix” swelling with massage, devices, or aggressive lymphatic treatments too early can actually delay recovery. The goal is calm, steady healing — not forcing the area to flatten quickly.

How to reduce swelling after fat dissolving

Here are some great ways you can minimise any swelling after fat dissolving:

• Avoid hot environments until the swelling has resolved. This includes hot showers, saunas and sitting out in the sun.
• Sleep flat on your back (so the swelling drains back from the under chin to the lymphatic system in the neck)
• You can take an antihistamine on the day of your treatment, as long as you are medically suitable.
• Avoid touching or rubbing at the skin of your jawline.
• Gently apply a wrapped ice pack for 20 minutes per hour, for up to 72 hours.

How to reduce bruising after fat dissolving

If you are worried about bruising after fat dissolving, consider following these steps:

• Avoid excessive alcohol for 24 hours
• Avoid intense exercise for the first day
• Gently apply a wrapped cold pack intermittently for the first few hours after your fat dissolving (be careful not to apply any pressure).
• If you have bruising after your fat dissolving, you can cover it with makeup the day after your treatment.

Is fat dissolving safe? Addressing nerve injury & rare side effects

This is the part most clinics gloss over — and the part patients actually care about. Fat dissolving is widely used and well-studied, but it is still a biological treatment, not a cosmetic cream.

Understanding the real risks (and how rare they are) is part of informed consent.

The big picture

When performed correctly, fat dissolving is considered safe and predictable. Serious complications are uncommon, and most side effects are temporary and self-limiting. The key variable is clinician anatomy knowledge and depth control.

Temporary nerve weakness (The “uneven smile” concern)

This is the most searched fear — and for good reason.

What patients notice

• A slight asymmetry when smiling or moving the lower lip on one side.

Why it can happen

• The marginal mandibular nerve runs close to the jawline. If inflammation occurs near this nerve, it can temporarily reduce muscle movement.

What matters clinically

• This is not permanent nerve damage. It is usually a temporary conduction block caused by inflammation, not nerve destruction.

Recovery

• In the vast majority of cases, normal movement returns over weeks to a few months as swelling settles.

Risk reduction

• Correct treatment depth, conservative treatment near the jawline, and anatomical mapping dramatically reduce this risk.

Neck tightness

What’s happening

• Early swelling can press on nearby tissues, creating a sensation of tightness.

What it isn’t

• It is unlikely to be airway compromise.

Timeline

• This resolves as swelling decreases, usually within days.

Skin changes & rare complications

Firm nodules or hardness

• These are expected during healing. They represent fat breakdown and inflammation, not scar tissue.

Skin injury or necrosis

• Extremely rare when treated at the correct depth by a trained medical professional. This risk rises sharply with poor technique or non-medical clinicians.

The honest risk summary

• Swelling: Expected
• Bruising: Common
• Temporary numbness or firmness: Normal
• Temporary nerve weakness: Rare
• Skin injury: Extremelyy rare

Fat dissolving has a strong safety profile — when anatomy is respected.

After fat dissolving: What’s normal — And when to call your clinic

Once the treatment is done, most of what happens next is predictable, even if it looks dramatic. Knowing what’s normal versus what needs review removes a lot of unnecessary anxiety during recovery.

What’s normal (Even if it feels strange)

In the days and weeks after fat dissolving, it’s common to experience:

• Significant swelling under the chin or jawline. This can peak in the first 48–72 hours and make the area look larger than before treatment.
• Tenderness or aching. Especially when touching the area or moving the neck.
• Firmness or small lumps. These develop as fat cells break down and the body clears the debris. They soften gradually.
• Numbness or altered sensation. Temporary nerve irritation is common and usually resolves on its own.
• Bruising. Often appears days later and fades from purple to yellow over 1–2 weeks.

All of the above are signs that the inflammatory process is doing its job.

What’s not normal (And should be checked)

Contact your clinic or seek medical attention if you notice:

• Severe or worsening pain that doesn’t respond to simple pain relief
• Rapidly increasing redness or heat spreading beyond the treated area
• Skin breakdown, blistering, or dark discolouration
• Persistent difficulty swallowing or speaking
• Asymmetry that worsens rather than improves after the first week

These scenarios are uncommon — but early review matters.

Timing matters: When symptoms should improve

A useful rule of thumb:

• Days 1–3: Expect swelling and discomfort
• Days 4–10: Swelling slowly reduces, bruising may peak
• Weeks 2–4: Firmness and nodules soften
• Beyond week 4: Final contour becomes visible

If symptoms fall outside this pattern, it’s reasonable to check in.

Why follow-up is part of safe treatment

Fat dissolving isn’t a “set and forget” procedure. A proper treatment plan includes:

• Clear aftercare instructions
• Access to clinical review if needed
• A follow-up assessment to decide if further treatment is required

This is also when skin retraction is evaluated — and when decisions about tightening treatments (if any) are made.

Bottom line

Most post-treatment concerns are normal, temporary, and self-resolving. Serious complications are rare, but good clinics want to hear from you if something doesn’t feel right.

Recovery is a process — not a moment.

Swelling is temporary. Structure is not.

Fat dissolving recovery can look dramatic in the short term, but it follows a reliable biological process. The swelling and firmness phases are not complications — they are the visible signs that fat cells are being broken down and cleared.

What matters most is understanding what phase you’re in, giving your body time to heal, and judging results only once the inflammation has fully settled.

For most patients:

• Healing is measured in days, not weeks
• The improved contour is long-lasting

When performed correctly and followed by appropriate aftercare, fat dissolving is one of the most predictable non-surgical ways to reduce under-chin fullness.

One last reminder

Fat dissolving treats volume, not skin or bone. If swelling has settled but the shape still isn’t right, that’s not a failure — it’s a diagnostic clue.

Sometimes the next step is:

• Another session
• Address loose skin
• Add chin and jaw structure

That’s why professional assessment matters more than chasing a single treatment.

Want to know more about double chin fat removal?

Learn more about double chin treatments in our complete double chin treatment guide.

Searching online for “double chin fat removal near me”?

Curious about whether you’re suitable for double chin fat dissolving? Explore our double chin treatment and start your journey.

Facial slimming has become a sought-after cosmetic treatment for those looking to enhance their facial contours and achieve a more balanced, slender appearance. One effective method involves the use of masseter injections — a non invasive approach that targets the jaw muscles responsible for a wider, more square facial shape.

In this article, we’ll explore how masseter injections work, the science behind it, and why it’s an option for jaw slimming, and reducing masseter hypertrophy.

What is masseter slimming?

Masseter slimming is a cosmetic treatment designed to reduce the size and bulk of the masseter muscles — the powerful muscles at the back of your jaw responsible for chewing and clenching. When these muscles become enlarged, a condition known as masseter hypertrophy, it can give the face a wider or more square appearance.

By placing small amounts of botox into the masseter muscle, the treatment gently weakens the muscle, causing it to shrink gradually over time. This results in a slimmer, more oval or V-shaped lower face, enhancing facial balance and aesthetics.

The science behind masseter slimming

Masseter botox slimming works by temporarily reducing the activity of the masseter muscle. The treatment reduces muscle activity, resulting in less contraction, muscle relaxation, and a process called atrophy, where it decreases in size.

Here’s how it happens step-by-step:

1. Treatment: The treatment works to reduce muscle stimulation.
2. Muscle relaxation: Without stimulation, the masseter muscle can no longer contract as forcefully.
3. Muscle reduction: Reduced muscle activity over weeks leads to gradual muscle shrinkage.
4. Facial slimming: As the muscle size diminishes, the jawline appears narrower.

Why choose masseter treatment for facial slimming?

• Non-surgical and minimally invasive: No incisions or downtime.
• Precise targeting: The treatment are delivered directly into the masseter muscle for focused results.
• Predictable and gradual: Results appear over several weeks and improve with additional sessions.
• Improves jaw tension and grinding: Often relieves associated issues like jaw clenching and TMJ discomfort.
• Safe and effective: When administered by trained medical professionals, masseter slimming has an excellent safety profile, although side effects are possible.

What to expect during treatment

During a masseter slimming session, there are a series of steps. A medical clinician will:

• Assess your facial anatomy, muscle size, and aesthetic goals.
• Mark key treatment points on the masseter muscle.
• Use fine needles to place the treatment. This process feels like a quick sharp scratch.
• Discuss masseter treatment aftercare and what to expect during the recovery period.

Most patients find the procedure quick and tolerable, with only mild tenderness at treatment sites.

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Results timeline and maintenance

You can expect your results to emerge gradually, over the first 2-4 weeks after the treatment. Visible slimming of the jawline typically begins within 2-4 weeks post-treatment. Full effects are usually seen by 8-12 weeks as muscle size reduces. Maintenance treatments every 4-6 months help sustain the slimmer jawline and prevent muscle regrowth.

TL;DR

Masseter slimming offers a safe, effective, and minimally invasive solution for anyone looking to slim their face, refine their jawline, or improve jaw muscle-related issues like clenching and TMJ discomfort. The science behind the treatment ensures gradual, natural-looking results by reducing muscle bulk and improving facial proportions.

If you’re interested in exploring masseter slimming, book a consultation with an experienced clinician to determine if this treatment is right for you.

Want to know more about masseter & facial slimming?

Learn more about facial slimming treatments in our complete facial slimming treatment guide.

Searching online for a “facial slimming treatment near me”?

Curious about whether facial slimming treatment is right for you? Explore our facial slimming treatment page.

Rejuran is a polynucleotide-based injectable treatment derived from salmon DNA, designed to rejuvenate and repair the skin by stimulating collagen production and enhancing skin elasticity. While it is now commonly used Australia-wide, understanding its safety profile is crucial for both practitioners and patients considering this treatment.

Clinical safety profile

A comprehensive study assessed the safety and efficacy of Rejuran in the correction of crow’s feet. The study demonstrated that Rejuran was well-tolerated, with minimal adverse effects reported. Common side effects included mild swelling and redness at the injection site, which typically resolved within a few days.

Rejuran indications

The ARTG currently lists all forms of Rejuran as having the following intended purpose: “promote tissue restoration and reconstruction, and improvement of physical appearance.”.

Due to the general nature of the listed intended purpose, Rejuran is used in many different parts of the face for a range of concerns.

Under-eye treatment safety

Rejuran I, a formulation specifically designed for the delicate under-eye area, has been evaluated for its safety and effectiveness. Studies indicate that Rejuran I is safe for use under the eyes, effectively addressing concerns such as fine lines and dark circles without significant adverse effects.

Long-term safety considerations

While short-term safety data is promising, long-term safety studies are limited. Current evidence suggests that Rejuran has a favourable safety profile; however, further research is necessary to fully understand its long-term effects and potential risks.

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Evidence for Rejuran efficacy

Some clinical observations and studies suggest that Rejuran may significantly improve skin hydration & elasticity. Improvements are often measured over short periods, and most studies involve small patient groups without long-term follow-up. As such, Rejuran shows promising potential for skin rejuvenation, but more studies are needed to confirm its mechanism of action and its effectiveness across different treatment areas. Patient satisfaction is generally moderate, yet individual outcomes may vary.

Patient experiences with Rejuran

Various studies have been conducted tracking patient satisfaction after treatment with polynucleotides for various concerns, including facial redness, scars (both acne and surgical), and wrinkles and skin texture. Satisfaction was generally positive, but the studies were small, meaning further research is needed.

Clinician experiences with Rejuran

A number of studies assessed clinician experiences using Rejuran. The most common reasons for using Rejuran were:

• Fine lines on the cheeks and around the eyes
• Uneven skin texture
• Dry skin
• Forehead lines

Further research showed that the majority of clinician’s rated polynucleotides as “very effective” or “effective” in the treatment of enlarged pores caused by sebum production, reduced elasticity, and acne. However polynucleotides were frequently combined with other treatment modalities such as radiofrequency and treatment for expression lines. Most clinicians also believed that they were beneficial for redness, wound healing, protection of the skin barrier, and hydration. However, only clinicians who currently used polynucleotides were surveyed.

A research paper on surgical scar healing found that patients who underwent laser and polynucleotide treatment compared to laser alone had better healing and smaller scars.

Conclusion

Rejuran presents a safe and effective option for skin rejuvenation, with a well-documented safety profile in clinical settings. Patients considering this treatment should consult with qualified practitioners to ensure it aligns with their individual skin concerns and health considerations, and have realistic expectations about results.

Want to know more about Rejuran?

Learn more about Rejuran treatments in our complete Rejuran treatment guide.

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References:

1. Lee, J. et al. (2020). Comparison of the Effects of Polynucleotide and hyaluronic acid fillers on periocular rejuvenation: a randomized, double-blind, split-face trial. Journal of dermatological treatment, 33(1), 254-260. doi.org/10.1080/09546634.2020.1748857
2. Lee, K. W., Lee, J. H., & Lee, J. H. (2021). A randomized, evaluator-blinded, prospective split-face study to compare the efficacy and safety of Rejuran® and hyaluronic acid filler in the correction of crow’s feet wrinkles. Journal of Cosmetic Dermatology, 20(5), 1373–1379. doi.org/10.1111/jocd.16576
3. Lee, K. W., et al. (2024). Polynucleotides in aesthetic medicine: A review of current practices and perceived effectiveness. International Journal of Molecular Sciences, 25(15), 8224. doi.org/10.3390/ijms25158224
4. Lampridou, S., et al. (2024). The effectiveness of polynucleotides in esthetic medicine: A systematic review. Journal of Cosmetic Dermatology, 23(1), 15–22. doi.org/10.1111/jocd.16576
5. Kim, J. H. et al. (2018). Preventive effect of polynucleotide on post-thyroidectomy scars: A randomized, double-blinded, controlled trial. Lasers Surg Med, Mar 25. doi: 10.1002/lsm.22812
6. Lee, D. et al. (2023). Current practices and perceived effectiveness of polynucleotides for treatment of facial erythema by cosmetic physicians. doi.org/10.1111/srt.13466

Other enlargement FAQs

How do I measure my penis?

To measure your penis accurately you should use a soft measuring tape (such as a tailor’s tape measure). Place one end at the base on the top surface pressing back to the underlying pubic bone, where the penis connects to the pelvis and extend the tape measure to the tip of the penis. As flaccid length is dynamic, it is better the assess your erect length, or stretched flaccid length.

To measure your penile girth, use a tailor’s tape measure (or similar) to assess the circumference around the middle of the shaft.

Is the penis a muscle?

The penis does not contain any muscle fibres. It is made up mostly of spongy erectile tissue that fills with blood during erection.

Can you break your penis?

Yes, a penile fracture typically occurs when sudden force is applied to the erect penis. While not a true bone fracture, it involves damage to the tunica albuginea (fibrous sheath around the erectile tissue).