Masseter Treatment

Slim your lower face, soften a square jawline, and relieve symptoms associated with teeth grinding and jaw clenching. The treatment is quick, minimally invasive, and requires little to no downtime.

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Masseter Treatment

Treatment Overview

Achieve a slimmer facial profile and relieve jaw tension with Masseter Injectable Treatment, a non-surgical procedure that uses anti-wrinkle injections to reduce the activity of the masseter muscles.

The masseter muscles are located at the angle of the jaw and are responsible for chewing. In some individuals, these muscles become enlarged due to genetics, teeth grinding (bruxism), or frequent jaw clenching, creating a wider or more square-shaped lower face. Overactive masseter muscles can also contribute to jaw discomfort, tension headaches, and symptoms associated with teeth grinding.

By carefully injecting anti-wrinkle medication into the masseter muscles, the muscles gradually relax and reduce in size over time. This can create a softer, more V-shaped facial contour while also helping to alleviate jaw tension and grinding-related symptoms.

Not sure if this is right for you? Book your complimentary consultation in our London clinic to learn more.

Key Benefits

Slimmer jawline
Reduced tension
Teeth grinding relief
Facial contouring

Ideal For

Wide jawline
Teeth grinding
Jaw tension

Frequently Asked Questions

Masseter Injectable Treatment involves injecting anti-wrinkle medication into the masseter muscles to reduce muscle activity. It is commonly used for facial slimming, jawline contouring, and the management of teeth grinding and jaw clenching.
Benefits may include: A slimmer lower face Softening of a square jawline Improved facial balance Reduction in jaw tension Relief from teeth grinding (bruxism) Reduced jaw clenching Improvement in tension-related jaw discomfort
The anti-wrinkle medication temporarily relaxes the masseter muscles, reducing their activity. Over time, the muscles gradually decrease in size, resulting in a slimmer facial appearance and reduced jaw tension.
The treatment involves a series of small injections placed directly into the masseter muscles on both sides of the jaw. The procedure typically takes around 15–20 minutes and does not usually require anaesthetic.
Our patients find the treatment very comfortable. The injections are quick and involve only minimal discomfort.
Most patients require a single treatment session initially. To maintain results, treatments are typically repeated every 3–6 months, depending on muscle strength, treatment goals, and individual response.
For jaw tension and teeth grinding, some patients notice improvement within a few weeks. Facial slimming effects typically become noticeable after 4–6 weeks and continue to improve over the following months as the muscle gradually reduces in size.
Downtime is minimal. Mild redness, swelling, tenderness, or bruising at the injection sites may occur but usually settles within a few days.
Results generally last between 3–6 months. Regular maintenance treatments may help prolong both the aesthetic and functional benefits.
Yes. Masseter injections are commonly used to help reduce the strength of jaw clenching and teeth grinding, which may help alleviate associated discomfort and muscle tension.
Yes. Masseter Treatment is often combined with: Anti-wrinkle injections in other facial areas Chin enhancement treatments Jawline contouring Profhilo Polynucleotides Skin rejuvenation treatments
Masseter Injectable Treatment may be suitable for adults who: Have enlarged masseter muscles Desire a slimmer facial profile Experience jaw clenching or teeth grinding Have a square or broad lower face due to muscle enlargement
Treatment may not be suitable for individuals who are pregnant or breastfeeding, have certain neurological or muscular disorders, active infections, or known allergies to the product. Suitability will be assessed during your consultation.
Patients are generally advised to avoid strenuous exercise, alcohol, and excessive heat exposure for the remainder of the day following treatment.
Yes. The goal of treatment is to create a subtle reduction in muscle bulk and improve facial balance while maintaining natural facial movement and expression. Results develop gradually and should appear refined rather than obvious.