Our masseter muscles are the large muscles at the back of the jaw that help us chew. They can become enlarged in some individuals, due to habits such as jaw clenching (bruxism) or teeth grinding, or simply their facial anatomy and genetics.
Repeated clenching places ongoing strain on the jaw muscles and can make them stronger and bulkier over time. This can also be associated with symptoms such as facial fatigue, jaw tension or pain around the temporomandibular joint (TMJ).
The Treatment
Treatment involves administering a small amount of a prescription-only muscle relaxant to the masseter muscles to temporarily reduce muscle activity. This medication temporarily reduces the nerve signals that tell the muscle to contract. When it contracts less frequently, with less intensity, it can slowly decrease in size over time.
As this muscle relaxant is a prescription-only medication, all patients require an initial consultation and clinical assessment with one of our qualified doctors to determine whether treatment is appropriate. If so, your treating cosmetic nurse will perform the treatment, under the supervision of one of our doctors, in accordance with your agreed treatment plan.
A follow-up review to assess the response is typically requested approximately two weeks after treatment.
Why Doses Vary
The amount of prescription medication required varies from person to person and depends on factors such as:
- gender
- facial anatomy
- previous treatment history
- size and strength of the masseter muscles
- treatment goals
How Long Does It Take to See the Results?
The results of Jawline Slimming are gradual, with noticeable results occurring after several months, as muscles atrophy (decrease in size). Ongoing changes occur as muscle activity continues to reduce.
How Long Do Results Last?
Treating the jaw muscles is also a very useful treatment for individuals who grind their teeth whilst asleep, a condition called bruxism. This is often a condition diagnosed by your dentist as it tends to cause significant wear and tear damage to your teeth and often jaw joint (TMJ) pain – treating the masseter muscles can be effective in treating this condition.
Comfort During Your Procedure
Most patients tolerate Jawline Slimming treatment well. However, to keep you as relaxed as possible, we recommend you arrive at the clinic at least 15 minutes before your appointment so we can apply a topical anaesthetic to the treatment area.
This topical anaesthetic helps to reduce discomfort during the procedure, so you have a more comfortable treatment experience. We may also use ice to help minimise discomfort and reduce the likelihood of bruising.
After Care
Immediately after your treatment, you may notice swelling and bruising where the product has been administered. These effects are common and usually settle quickly.
Most people can return to work and their normal activities immediately after treatment. However, you should avoid vigorous exercise and massaging/applying pressure to the treated area for 24 hours.
During your appointment, your prescribing doctor and treating cosmetic nurse will discuss after-care recommendations. You’ll also be given written post-care instructions to take home.
Risks & Side-Effects
All non-surgical cosmetic treatments carry the potential for side effects and risks. The most common side effects include swelling, bruising, redness or tenderness at the treatment area. Some patients may experience mild jaw fatigue while the muscles adjust.
Occasionally, results may appear uneven or require adjustment. This can be addressed during your follow-up appointment. All risks and possible complications will be discussed during consultation before your treatment. To learn more, please visit our Potential Risks and Complications page.
