Concerns

Jawline definition & contour

A defined, aesthetic jawline is widely considered an attractive trait in men and women. It signals good health, youth, and creates a structured facial aesthetic.

If you’re unhappy with how your jawline looks, it’s time to learn why, and more importantly, how you can improve it.

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Cause & concerns

Small jaw bone

A small jaw bone is one of the biggest causes of an undefined jawline.

Related to genetics, people with a small jawbone often require braces and adult teeth removed. They also typically have a recessed chin.

Excess facial and under chin fat

Whether through weight gain or genetics, excess fat along your lower cheek, jawline and under chin causes a loss of jawline definition.

People with excess fat often have a fuller, heavier, rounder looking jawline.

Loose skin

As we age, our skin loses collagen and elastin, becoming saggy. Some people have naturally looser skin, even from a young age.

Having loose jawline skin reduces definition because it doesn’t drape well over the underlying jaw bone.

Treatment Options

Jawline augmentation

A jawline augmentation is a non-surgical option to enhance the definition of your jawline.

Depending on your anatomy, it can target many of the causes of an undefined jawline, and is a popular choice due to its convenience.

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Jawline slimming injections

Jawline slimming reduces the width of your lower face, for a more tapered jawline.

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Jawline filler

Jawline fillers add structure and definition to your jaw.

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Jaw surgery

Known as a mandibular advancement, this invasive surgical procedure involves breaking your jaw bone, and bringing it forward.

Expanders

Mandibular expanders are a spring-loaded device that slowly widens your jaw.

They are placed by specialised dental practitioners and are left in place for extended periods of time.

A woman with long dark hair is sitting in a chair, looking to the side. A persons hands wearing black gloves are gently examining her jawline. The background is blurred.
A person with long, light brown hair is lying down and receiving an injection in the cheek from a gloved professional. The setting appears to be a clinical or cosmetic treatment environment.
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A person with a beard and earring reclines in a chair while another person in a black shirt and gloves gently holds their chin, possibly during a skincare or cosmetic procedure. A plant is blurred in the background.
A person with long dark hair sits as another person gently touches their jawline and neck, possibly examining or massaging. The background is softly lit and out of focus.

Before & after

Side-by-side before and after images of a man facing slightly to the right. The before image shows visible skin texture, while the after image displays smoother skin. Both images have a watermark across the face.
Side-by-side comparison of a persons face from a profile angle. Left image shows the person before, and the right image shows after a cosmetic procedure, highlighting smoother skin and a more defined jawline.
Side-by-side images of a man before and after a cosmetic procedure. The man has short curly hair and a trimmed beard. In the after image, his jawline appears more defined. Both images have blurred eye areas for privacy.
Close-up side-by-side images showing a womans lower face before and after a cosmetic procedure. In both images, she wears a floral patterned top and round diamond earrings. The second image shows a slightly more defined jawline.
A person with short hair and wearing a blue shirt is shown in two side-by-side images. The background is dark, and text is overlaid across the image. The lighting highlights their facial features.
Side-by-side images of a woman with slight redness on her face. The left image shows her facing forward, and the right image shows her turned slightly to the side. Her dark hair is parted down the middle, and shes wearing a black top.
Side-by-side comparison of a mans head, showing a hair transformation. The left image has thinner hair, while the right shows thicker, fuller hair. The man has a tattoo near his left ear and is wearing black.

Sensitive content

This patient had a non-surgical jawline augmentation to enhance the shape and structure of his jaw. During his consultation, we also decided to balance his jawline by also refining his chin.

We achieved a more angular, masculine facial aesthetic, and his treatment took under 15 minutes.

Immediate results from a jawline augmentation.

Our patient sought a subtle improvement in her jawline definition, and so we focussed on carefully blending the front and back of her jawline.

Instant results from a jawline augmentation achieving a straighter, more defined, and angular jawline.

We also treated our patient’s chin and cheekbones to ensure facial harmony.

Results from a jawline and chin augmentation, to achieve a more aesthetic lower facial profile.

We used a combined jawline and chin augmentation to define and masculinise our patient’s lower face.

Before and after a non-surgical jawline augmentation.

For our patient we also opted to treat her chin and cheekbones, to ensure her facial structure remained balanced.

Here, we used a jawline augmentation to improve the definition of our patient’s lower face.

We achieved a straighter jawline border, and also treated his chin to ensure facial balance.

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    The definition of your jawline depends on how the skin and fat drapes over the underlying jawbone.

    The larger your jawbone, and the tighter your skin sits over the bone, the more defined your jawline will be.

    Too much fatty tissue causes the skin to sit less intimately over the jawbone, creating a cushion-effect. This is why people with excess facial fat often have an undefined jawline.

    There are a few ways to improve the definition of your jawline naturally.

    Weight loss allows your skin to drape more closely over the underlying jaw bone, meaning it is more visible and more defined.

    Chewing gum can increase the size of your jawline masseters muscles, enhancing definition. However this can also contribute to bruxism.

    Yes, with age a number of changes occur that result in a loss of jawline definition.

    Your jaw bone recedes becoming smaller, fat often accumulates along your lower cheek, and skin loses collagen and elastin, sagging across your jawline (jowls), and under your chin,

    There is no clinical evidence that mewing improves your jawline definition.

    Chewing gum can increase the definition of your jawline by causing your masseter muscles to grow.

    The masseters are the paired chewing muscles at the back of your jawline. Chewing gum may cause them to hypertrophy (grow in size), which gives more structure to the back of your jawline.

    However this may also cause teeth grinding and jaw clenching.

    There are many causes of an undefined jawline.

    A small mandible (jaw) bone causes of lack of structure to your jawline.

    Excess facial and under chin fat stops your skin sitting closely to your jawbone, reducing definition.

    Loose, sagging skin as a result of ageing causes of loss of definition as the skin doesn’t sit tightly over the underlying jaw bone.

    With age a number of changes take place that result in a loss of jawline definition.

    Your jaw bone recedes, becoming smaller and weaker.

    Skin loses collagen and elastin, causing sagging which reduces definition as the skin no longer sits closely over your jaw bone.

    Accumulation of lower face fat separates the skin from the underlying jaw bone.

    Treatments to enhance your jawline definition depend on your anatomy and expectations.

    Surgery is used for extreme cases, and may involve breaking your jaw, fixing implants to the bone, or removing loose skin and excess fat.

    Non-surgically different injectable procedures to firm the skin, reduce fat, and add structural volume along your jawline.

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