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0491 706 705

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Tuesday - Saturday by Appointment

Masseter treatment uses a prescription injectable product to reduce the activity and size of the masseter muscle at the jaw angle, slimming the lower face and addressing discomfort from clenching or grinding. At Core Aesthetics in Oakleigh, treatment is individually assessed and only recommended where clinically appropriate.

Masseter treatment uses a prescription injectable product to reduce the bulk of the masseter muscle at the jaw angle, which can slim the lower face, reduce jaw tension and address discomfort related to teeth grinding or clenching. At Core Aesthetics in Oakleigh, treatment is individually assessed and only recommended where clinically appropriate.

At Core Aesthetics in Oakleigh, all anti-wrinkle treatment is individually assessed before any recommendation is made. Treatment is only discussed and administered where it is clinically appropriate following a consultation with Corey.

Understanding the Masseter Muscle

The masseter is one of the primary muscles of mastication. The muscles responsible for chewing. It runs from the cheekbone down to the angle of the jaw and is one of the strongest muscles in the body relative to its size. In most people it operates quietly in the background, doing its job without drawing attention.

For some clients, however, the masseter is enlarged due to habitual clenching or grinding of the teeth, a condition known as bruxism. In others, the masseter is simply naturally prominent, creating a wider and more angular lower face. Both situations can be addressed with carefully placed anti-wrinkle treatment.

What the Treatment Involves

Masseter treatment uses a prescription injectable product to reduce the activity and, over time, the bulk of the masseter muscle. When the muscle contracts less, it gradually reduces in size, which can slim the lower face width at the jaw angle and reduce the tension and discomfort associated with clenching and grinding.

The effect develops gradually over several weeks as the muscle adapts to reduced activity. For clients with significant masseter hypertrophy, the change can be quite visible. For others, the improvement is more subtle but meaningful in terms of jaw comfort and lower face proportion.

Who May Be Suitable?

Treatment for masseter treatment may be worth exploring at a consultation if you:

  • Notice the lower face looks wide or heavy at the jaw angle due to muscle bulk rather than bone or fat
  • Experience jaw tension, discomfort, headaches or teeth grinding related to masseter activity
  • Have been told by a dentist or doctor that you clench or grind your teeth
  • Are interested in reducing lower face width without surgery
  • Are in good general health with no contraindications to injectable prescription products

Suitability is always assessed individually. Your practitioner will give you an honest view of what treatment can achieve for your specific situation.

It is important to distinguish masseter treatment from jawline filler. Masseter treatment reduces the width of the lower face by reducing muscle bulk. Jawline filler adds definition to the jaw border by adding structural volume. They address different concerns and may sometimes be combined in a coordinated lower face plan. Your practitioner will assess which approach, or which combination, is most appropriate for your individual anatomy during your consultation.

What to Expect at Your Consultation

Corey will assess your muscle movement, the depth and distribution of your lines, your facial proportions and your goals. You will receive an honest recommendation and have time to ask questions without any pressure to proceed. Read more about what happens at a cosmetic consultation.

How This Treatment Fits Into a Broader Plan

Anti-wrinkle treatment addresses expression lines through muscle activity. It does not add volume or address volume related concerns. For some clients, combining anti-wrinkle treatment with dermal filler produces the most balanced result. Where this is relevant to your goals it will be discussed during your consultation. You can also review our full anti-wrinkle treatments overview.

Located in Oakleigh, Serving Melbourne’s South East

Core Aesthetics is at 12A Atherton Road, Oakleigh VIC 3166. Accessible from Carnegie, Chadstone, Murrumbeena, Huntingdale, Bentleigh and Clayton. Open Tuesday to Saturday by appointment.

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Frequently Asked Questions

How long does masseter treatment last?

Duration varies between individuals. The effect on muscle bulk develops gradually over several weeks and typically lasts longer than standard anti-wrinkle treatment in expression areas. Your practitioner will discuss realistic timeframes during your consultation.

Can masseter treatment help with teeth grinding?

Masseter treatment can reduce the force and frequency of clenching and grinding for suitable candidates, which may reduce associated jaw tension and discomfort. It is not a substitute for a dental assessment if you have concerns about bruxism. Your practitioner will discuss this during your consultation.

Will masseter treatment affect my ability to chew?

A correctly dosed masseter treatment should not significantly affect your ability to chew. At Core Aesthetics, treatment is always dosed conservatively to reduce bulk and tension without impairing normal function. Your practitioner will explain this during your consultation.

Is masseter treatment the same as jawline filler?

No. Masseter treatment reduces lower face width by reducing muscle bulk. Jawline filler adds definition to the jaw border with volume. They address different concerns and may be combined in a coordinated lower face plan depending on your anatomy and goals.

How many sessions of masseter treatment will I need?

This varies between individuals and depends on the degree of masseter hypertrophy and your goals. Your practitioner will discuss a realistic plan during your consultation.

How do I book masseter treatment in Melbourne?

Book online via our booking page or call 0491 706 705. Core Aesthetics is at 12A Atherton Road, Oakleigh VIC 3166. Open Tuesday to Saturday by appointment.

Written and reviewed by Corey Anderson, Registered Nurse and Cosmetic Injector  |  Last reviewed: March 2026
AHPRA Registration: NMW0001047575 (Nurse, registered since January 1996)  |  Core Aesthetics, Oakleigh VIC 3166
All prescription treatments are assessed and administered by an AHPRA registered health practitioner. Suitability is determined individually at consultation.

General Information Only. This article is general in nature and does not replace a consultation with a qualified health practitioner. Treatment outcomes, suitability and risks vary by individual. Any medical or prescription treatment options can only be discussed and provided where clinically appropriate following an individual assessment. Last reviewed March 2026 by Corey Anderson, Core Aesthetics.