Masseter Treatment London

What is Masseter (The Side Set Jaw)?

The shape of the jawline plays a powerful role in overall facial harmony. Masseter treatment targets the strong chewing muscles located at the angles of the jaw, helping to soften width and create a more refined, balanced lower face. By gently relaxing these muscles, the face can appear and more contoured without adding volume or altering natural features.

In many people, the masseter muscles become enlarged due to habits such as clenching, grinding, or heavy chewing. Over time, this can lead to a wider, squarer jawline that feels out of proportion with the rest of the face. By reducing muscle bulk, treatment can gradually create a softer and more tapered appearance, a popular option for those seeking without surgery.

Beyond aesthetics, masseter treatment also offers important functional benefits. Overactive jaw muscles are linked to teeth grinding and bruxism, which can lead to enamel wear, jaw soreness, and disrupted sleep. Relaxing the muscle can help reduce clenching intensity, making it a highly effective solution for patients dealing with .

Many patients are surprised to learn how much jaw tension they carry day to day. Chronic tightness in the lower face can cause discomfort when speaking, chewing, or even at rest. By softening the strength of the masseter muscle, this treatment can relieve pressure and restore comfort especially for those experiencing persistent .

Masseter treatment can also be carefully tailored to improve facial balance. If one side of the jaw is than the other, it may create visible asymmetry in photos or profile views. Precise dosing allows subtle correction over time, helping create a more even and harmonious lower face for about .

For some individuals, overworked jaw muscles can even contribute to recurring headaches. By reducing the strain placed on surrounding tissues and nerves, treatment may help ease the pressure that triggers these episodes. This makes it a valuable option for experiencing , offering both and therapeutic benefits.

Because results gradually, the transformation feels natural and understated. The jawline softens over time rather than changing abruptly, allowing facial proportions to rebalance subtly. Whether the goal is facial slimming, improved comfort, or both, masseter treatment offers a refined, non-surgical approach to enhancing both appearance and quality of life.

Best Results

1 Treatment

Results Last

Up to 6 months

Procedure Time

10 Minutes

Back to Work

Immediately

Pain

Mild / Moderate

Slims a wide jawline without or fillers

Reduces teeth grinding and jaw clenching over time

Softens lower-face bulk for a more refined profile

Gradual, natural slimming with long-lasting results

HOW IT WORKS

How masseter treatment works

Masseter treatment works by relaxing the strong chewing muscles at the angle of the jaw. When these muscles are overactive, they can create a wider, more square appearance.

Small, precise doses are placed into the masseter muscle, gradually reducing its strength and bulk over time.

As the muscle softens, the jawline becomes slimmer and more refined, while also reducing tension from clenching or grinding.

WHY PATIENTS CHOOSE IT

Why patients choose masseter treatment

A non-surgical solution to slim the jawline while also relieving tension and clenching.

Softens a wide or square lower face.

Reduces grinding and jaw tension.

Back to normal activities immediately.

Natural over weeks.

No change to your expression or smile.

Typically takes around 10 minutes.

RESULTS

What to expect after treatment

Results develop gradually over 4-6 weeks and typically last up to 6 months.

CLIENT TESTIMONIALS

What our clients say

2,039 satisfied clients

Based on 1,295

Masseter Treatment Details

treatment is a quick, precise procedure designed to relax the powerful chewing muscles located at the angles of the jaw. After a detailed consultation, your practitioner will assess muscle strength, facial proportions, and your treatment goals to ensure the approach is fully personalised. The injections themselves take only a few minutes and are placed carefully into the masseter muscle using advanced techniques for accuracy and comfort.

A numbing cream can be applied beforehand, although most describe the sensation as very manageable. The treatment requires no downtime, meaning you can return to daily activities immediately afterwards. Mild tightness or tenderness can occasionally occur in the first few days, but this settles quickly and does not interfere with normal movement or expression.

Results develop gradually as the muscle begins to relax and reduce in bulk. Many patients notice early changes within a few weeks, with the appearing and softer over time. Because the process is progressive, the transformation looks natural rather than obvious, allowing facial harmony to improve subtly without altering your core features.

In addition to cosmetic contouring, many patients experience functional benefits. Relaxing the masseter muscle can reduce the intensity of clenching and grinding, ease built-up jaw tension, and lessen strain placed on surrounding tissues. For some individuals, this can also help relieve discomfort linked to chronic tightness or pressure in the lower face.

Results typically last around six months, with maintenance treatments helping preserve a consistently refined jawline. With regular sessions, the muscle may become less dominant, meaning results can appear longer lasting over time. Whether your goal is facial slimming, improved comfort, or both, masseter treatment offers a safe, non-surgical way to enhance both aesthetics and quality of life.

Frequently Asked Questions about Masseter Treatment

The treatment involves injecting a muscle relaxant into the masseter muscle on either side of the jaw to help slim and contour the face. It takes approximately 10 minutes to perform, with results developing over the weeks.

Most patients very little discomfort. A numbing cream is beforehand to ensure your experience is as comfortable as possible. Based on patient feedback, pain levels are described as mild to none.

There is no downtime needed. You can return to your normal daily activities immediately after treatment.

results can start to appear within a week, with full slimming and contouring effects visible within 6 weeks after treatment.

Results typically last up to 6 months, after which treatments may be recommended to sustain the effect.

Yes, the treatment is very safe when performed by an experienced . It has been widely used for many years to help with muscle relaxation and jawline contouring.

No, when performed correctly, the treatment only targets the masseter muscle, helping to slim the jawline without affecting your smile or natural facial expressions.

Yes, masseter injections can reduce clenching and grinding of the teeth, which often contributes to muscle enlargement and jaw tension.

Dermamina is trusted for providing natural-looking, bespoke treatments tailored to each individual. We your suitability and comfort, ensuring safe and effective .

Expert treatment planning

Masseter Treatment at Dermamina London

Every masseter treatment appointment starts with a assessment of your anatomy, skin quality, medical history and goals. Your practitioner will suitability, expected results, aftercare and alternatives before treatment, so the plan feels precise rather than generic.

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How To Find us

Dermamina is based in the heart of London at 114 New Cavendish Street, just off Great Portland Street and Goodge Street.Nearest stations: Oxford Circus, Great Portland Street, Goodge Street and Regents Park