Slim your lower face & jawline

Summary

Seamless, efficient clinical appointments

Medically-backed facial slimming

Results that meet the Undetectable Standard™

Doctor-led care and clinical oversight

One all-inclusive clinical fee

Start your journey
Confidential & Obligation-Free

Your facial structure should reflect your natural frame, not tension and imbalance.

A square lower face often results from functional hypertrophy, where habits like clenching or grinding thicken the masseter muscles. This creates lower facial heaviness that disrupts facial balance, driven by muscular tension rather than body weight.

Using our doctor-led 3-Pillar Framework™, we refine facial proportions and reduce tension-driven bulk. By addressing the structural issue while preserving your unique character, we achieve results that embody Identity Alignment™.

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    When natural methods aren't enough

    Slim your jaw the medical way.

    The burden of structural tension

    A square jaw or widened lower face can create a constant impression of heaviness. Overactive masseter muscles and structural bone imbalance add bulk and tension, subtly disrupting facial harmony.

    Natural methods don't reduce bulk

    Facial exercises and gua sha may relax muscles and reduce fluid temporarily, but they don't reduce jaw muscles or underlying structure. True refinement targets both to slim the lower face and jaw.

    This isn’t about change, it’s about Identity Alignment™

    Lower facial slimming isn’t about dramatic change; it's about bringing enlarged muscles and structural imbalance into alignment with your natural features and identity.

    The Undetectable Standard™ at every step

    Our clinicians personalise treatment to your anatomy and goals, achieving seamless results with clear guidance and ongoing care through our doctor-led 3-Pillar Framework™.

    Treatment info

    Treatment objectives

    The goal of medical facial slimming is to achieve Identity Alignment™ and alleviate symptoms of masseter hypertrophy. To accomplish this, our clinical objectives include:

    • Neuromuscular relaxation of overdeveloped masseter muscles to relieve tension-related symptoms, such as grinding and clenching.
    • Reducing muscular bulk to narrow the lower face and jaw, creating a slimmer silhouette.
    • Optimising mid-to-lower face dimensions to improve facial balance.

    Note: If your goal is a sharper, more defined jawline rather than reducing facial width, explore our lower face contouring treatments.

    Suitability

    Medical facial slimming is typically suitable for those looking to reduce the width of their jaw. You may be suitable if you:

    • Have a wide or square jawline, typically caused by physical thickening of the masseter muscles
    • Experience chronic jaw tension, teeth grinding, or clenching, often resulting in TMJ discomfort or a “weighted” lower face

    The “No” guarantee

    To maintain the Undetectable Standard™, we operate a strict policy of clinical honesty. If our clinicians believe treatment is not clinically appropriate, we will not proceed. Your assessment will provide you with clarity, not a compromised result.

    Preparation

    To prepare for your appointment:

    • Clean face: Please arrive without makeup
    • Hydration: Drink water before your visit

    We’ll provide more detailed easy-to-follow preparation instructions when you book.

    Aftercare

    After your medical facial slimming treatment:

    • Avoid touching: Do not touch or rub the treated areas for 4 hours
    • Redness: If you notice any redness, gently calm your skin with a wrapped cold pack for 20 minutes per hour

    We’ll provide simple instructions during your appointment so you can get straight back to your day.

    Results

    The Undetectable Standard™

    • Lower facial width and muscular tension reduce without signs of treatment, framing your features.

    Identity Alignment™

    • Subtle slimming preserves your natural character so your structure feels balanced, not altered.

    Sustainable Consistency

    • Our 3-Pillar Framework™ supports long-term stability of down-regulated muscle bulk and slimmer contours. Where appropriate, periodic refinement ensures results remain stable rather than fluctuating with sporadic treatment.
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    Masseter muscles

    The masseter muscles, which are responsible for chewing, directly affect the width of your jaw. Enlarged masseters may be genetic or develop over time from habits like chewing tough foods or gum.

    Cheekbones

    The contour and projection of the cheekbones influence overall face shape, and can affect how wide your face looks. Strategic cheek contouring can support facial slimming by rebalancing the mid and lower face, helping to create a softer, V-shaped profile.

    Chin

    The length and projection of the chin influence the proportions of the lower face and can affect how wide the jaw looks. Adjusting chin length or projection can rebalance facial proportions, giving the face a slimmer and more tapered appearance.

    The Undetectable Standard™

    Patient-specific results shown: outcomes may vary.

    Before and after images showing a persons lower face. The top image highlights a slightly swollen or uneven lip, while the bottom image shows a more even and smooth appearance.
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    Side-by-side photos of a woman facing forward. Left: she has more prominent ears, loose hair, and wears a gray top. Right: her ears appear less prominent, and she wears a black jacket, gold necklace, and hoop earrings.
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    Sensitive content

    Before and after results results for Medical Facial Slimming.

    Strategic reduction of lower face bulk refines the face shape for a tapered appearance.

    Discover how the Undetectable Standard™ can slim your profile.

    Before and after results results for Medical Facial Slimming.

    Strategic balancing of facial proportions reframes the eyes and natural features.

    Discover how the Undetectable Standard™ can slim your profile.

    Mid and Lower Face Refinement also performed.

    Before and after results results for Medical Facial Slimming.

    Strategic balancing of the mid and lower face shifts the visual structure upward to better frame the eyes and natural features.

    Discover how the Undetectable Standard™ can slim your profile.

    Before and after results results for Medical Facial Slimming.

    Strategic balancing of facial proportions reframes the eyes and natural features.

    Discover how the Undetectable Standard™ can slim your profile.

    Mid and Lower Face Refinement also performed.

    Confidential & Obligation-Free
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    Your Experience

    Step 1 of 4

    Check your suitability

    Begin by completing our Online Suitability Assessment. Our experienced clinicians will carefully review your facial anatomy and provide a personalised preliminary report—including your suitability for treatment, all-inclusive pricing, and clear guidance to move forward confidently.

    Your Experience

    Step 2 of 4

    Plan your treatment

    Next, meet one-on-one with an experienced clinician who will use our 3-Pillar Framework™ to confirm your treatment suitability and outline a precise approach tailored to your unique anatomy—or advise against treatment if it isn’t medically appropriate.

    This medical process provides the professional certainty required to proceed with confidence.

    Your Experience

    Step 3 of 4

    Achieve the Undetectable Standard™

    We slim your facial structure with expert care and precision, prioritising subtle changes and natural movement.

    Your single flat-fee covers everything you need—and includes a complimentary refinement session to ensure you achieve the Undetectable Standard™.

    Your Experience

    Step 4 of 4

    Enjoy a softer, slimmer jawline

    Receive clear post-treatment clinical guidance to ensure a seamless return to your daily routine. Over the following days, you’ll notice your refined facial structure settle into a balanced, slimmer silhouette, supported by ongoing doctor-led care to maintain the Undetectable Standard™.

    Why people trust Cosmetic Connection

    We move beyond “beauty retail” to provide a doctor-led environment. Our focus is on thoughtful, measured assessments, and calculated clinical plans rather than a sales pitch, ensuring your treatment is guided by medical expertise and mutual respect.

    Identify your clinical path before you enter the clinic. Our digital triage process evaluates your anatomical baseline, providing an intelligent first step and a personalised clinical path that replaces the “aesthetic gamble” of a vague “discovery session” with clear, expert guidance.

    We respect that your hesitation is a sign of intelligence. This in-clinic consultation serves to confirm your digital roadmap in person. It is a private space to finalise your clinical plan and proceed with treatment only once you are completely certain.

    We replace guesswork with calculation. By assessing your unique Anatomy, the Aetiology (biological drivers) of your concerns, and your Goals, we ensure every intervention is biologically appropriate and structurally sound.

    To maintain clinical integrity, we removed the incentive for over-treatment. Our transparent flat-fee pricing ensures your clinician is motivated by your anatomical outcome—not by the amount of product used.

    Achieve Identity Alignment™ through clinical restraint. By applying the 90/10 Rule, we refine your appearance while protecting your natural character, ensuring your result withstands the closest social scrutiny.

    Have questions? We're here to help.

    Check your suitability for personalised guidance.

    To help make the process simple, we have developed an all-inclusive fixed price for our medical facial slimming treatment.

    So that we can provide pricing information, we first require you to complete our free online suitability assessment, so that a clinician can determine if it’s right for you.

    Facial slimming treatments may be suitable for people with mild to moderate concerns about a wide-looking lower face who want natural-looking refinements, such as a softer jawline or increased cheek and chin balance. The best way to determine suitability is through a personalised consultation, where your clinician will assess your facial structure, muscle activity, and skin quality to design a treatment plan tailored to your goals.

    Facial slimming is a non-surgical treatment that aims to reduce the appearance of a wide lower face, often caused by overdeveloped jaw muscles, a small chin, or flat cheekbones. This treatment aims to create a slimmer facial profile. The treatment targets specific muscles and cheek and chin structure, which may lead to a slimmer face shape.

    Facial slimming treatments are generally well tolerated, although each person’s experience of discomfort will vary. Numbing creams or cooling techniques can be used to minimise any discomfort.

    When considering facial slimming, it’s important to understand that the time to results varies depending on the approach used. Results typically emerge over days to weeks.

    Results from facial slimming treatments typically last months to years, but the exact duration varies depending on the treatment method. Multiple treatments may be required initially, and if you wish to maintain your results, follow-up treatments can be scheduled at an interval determined during your consultation.

    Some facial slimming treatment methods that target the masseter muscles may provide relief for symptoms associated with temporomandibular Joint (TMJ) disorders.

    Some facial slimming methods may help individuals who experience teeth grinding (bruxism) and jaw clenching. These habits are frequently linked to overactivity or tension in the masseter muscles, which are the primary muscles involved in chewing and jaw clenching.

    After facial slimming, you may experience mild swelling or tenderness which settles over the following days.

    Depending on your personalised plan, results will emerge within days to weeks.

    During your consultation, your clinician will outline what you can expect after treatment, based on your personalised assessment and treatment plan.

    Facial slimming is generally considered low-risk when performed by experienced, qualified clinicians. Most patients experience minimal side effects, such as mild swelling or temporary redness, which usually resolve within a few days.

    During your consultation, your clinician will review your medical history, assess your facial structure, and discuss any potential risks to ensure that the treatments are appropriate for your individual needs.

    The side effects of facial slimming are typically mild and temporary. Some people may experience slight swelling, redness, or tenderness in the treated areas, which usually resolves within a few days. Less commonly, minor bruising or sensitivity, or rarely, infection can occur.

    Your clinician will provide information on treatment risks and how to minimise them during your consultation.

    Looking for a masseter & facial slimming treatment near you?

    At Cosmetic Connection, our experienced doctor-led team are here to provide your personalised masseter & facial slimming treatment in St Leonards, NSW and Toorak, VIC.

    Ready to take the first step towards the Undetectable Standard™? Start your Online Suitability Assessment.

    Confidential & Obligation-Free

    Professional Affiliations

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    • Logo of the American Academy of Anti-Aging Medicine (A4M), featuring a bold, stylized A4M in a square frame on the left and the full name of the organization in uppercase letters on the right.