Jaw-slimming-injections-london

Jaw Slimming Injections

Jaw slimming by Register plastic surgeons. Masseter muscle treatment for and bruxism. From £695. .

Jaw Slimming Injections at Centre for Surgery, London

in summary: precisely placed into the on each side of the jaw to a slimmer, softer jawline by reducing masseter size over weeks. exclusively by surgeons at Centre for — not nurses, dentists, or non-specialist doctors. Treatment takes 5 minutes; develops over 4–8 weeks and lasts 4–6 months. Also highly effective for (teeth grinding), jaw clenching, and pain. From £695 for both sides; course of 2 from £1,250. clinic, 0% APR finance available subject to status.


Plastic surgeon-led, not nurse-led. The is a deep muscle close to important anatomical structures — the parotid gland, duct, branches of the facial nerve, and the masseteric artery. Injection placement matters: too superficial and the toxin diffuses to smile muscles producing asymmetric expression; too deep or in the and you risk or facial nerve effect. Plastic surgeons learn this in detail because they on these structures during facelift surgery. The same who would your facelift, blepharoplasty, or rhinoplasty is the one your treatment. This level of credential is uncommon in London injectables and matters most in cases, anatomy, patients with previous facelift, or those with concurrent TMJ pathology.


Jaw slimming work for two distinct patient groups — those wanting a more refined, less square jawline for cosmetic reasons, and those with bruxism, jaw clenching, or pain wanting symptom relief. Both groups are treated using the same protocol, and many patients have both concerns simultaneously.


Related content at Centre for Surgery:

What Are Jaw Slimming Injections?

— also called injections, or non-surgical jaw reduction — use to shrink the masseter muscles on each side of the jaw. The result is a slimmer, softer jawline contour and (for with or clenching) significantly activity at night and during stress.


The masseter is the muscle that runs from the (zygomatic arch) down to the angle of the jaw. It’s one of four chewing muscles, and one of the strongest muscles in the to its size. In some people, the is large; in others, it becomes enlarged through clenching, grinding, or chewing — particularly in patients with bruxism, those who frequently, or those who clench their jaw under stress.


When botulinum toxin is into the body of the masseter:


The same two different benefits, which often co-exist in the same patient:


A consultation establishes which factors are present and which treatment, or combination, is most appropriate.

Benefits of Jaw Slimming Injections

The of masseter injections fall into two — visible jawline change and symptom relief. Most experience some of both.

Who is Suitable for Jaw Slimming Injections?

Jaw slimming injections are for adults aged 18+ whose jaw width is at least partly muscular, or who have bruxism, jaw clenching, or masseter-related jaw pain. Suitability is confirmed at face-to-face consultation with the plastic surgeon.


A face-to-face consultation with the surgeon is required. The mandatory two-week period applies to all — you book consultation, then minimum 14 days later.

Causes of a Wide or Square Jawline

Understanding what’s driving the of your because it whether will help — or whether a different treatment is needed.


The plastic surgeon assesses your jawline by:


If the jaw width is mostly muscular, is the appropriate treatment. If it’s primarily bony, we’ll tell you that toxin won’t deliver the change you’re looking for and whether or a different approach is more appropriate. We don’ treatment that won’t deliver the result you want.

The Jaw Slimming Injection Procedure

The itself takes 5 minutes for both sides. Allow 30–45 minutes total for the appointment including review, photographs, numbing cream application (if requested), and aftercare advice.


Each is a brief . The masseter is a so the needle goes deeper than for facial wrinkle treatment, but the area has relatively few nerve endings. Most patients rate the discomfort 2–4 out of 10 — slightly more than forehead but very tolerable. Each injection takes a few seconds; both sides completed within 5 minutes.


A follow-up review is included in the . At this review:

Aftercare After Jaw Slimming Injections

in summary: Minimal downtime. Resume work and most normal activities the same day. Avoid lying flat, heavy exercise, and jaw massage for 4 hours. Avoid alcohol for 24 hours. Mild jaw fatigue with possible for first 2–3 weeks. Early effects from day 7; visible slimming from week 4; peak effect at 8–12 weeks.


Contact us on if you experience:

Jaw Slimming Injections for Bruxism, Jaw Clenching, and TMJ Pain

A significant of our patients come for the functional benefit rather than the one — or for both. This section covers what to expect when the is symptom relief rather than jawline change.


Bruxism is of the teeth, typically at night. It affects an 8–10% of UK adults and can cause:


Masseter botulinum toxin reduces grinding force significantly. Within 2–4 weeks, partner-reported grinding noise reduces or stops. Tooth wear slows or halts. Morning headaches . The treatment doesn’t cure the that causes (the muscles still try to contract; they just can’t contract as strongly), but it neutralises the damaging consequences.


We recommend masseter toxin for who have:


is common, often unnoticed by the patient. Symptoms include jaw fatigue at end of day, headaches, and masseters. the strength of clenching, often relief.


Temporomandibular joint (TMJ) pain has multiple causes — is one of them. Patients whose TMJ pain is driven primarily by masseter and clenching muscle tension typically respond well to toxin. whose is driven by joint disc problems, structural issues, or bite problems need additional dental, maxillofacial, or orthodontic input — alone won’t the underlying joint problem.


The injection technique is the same as for cosmetic jaw slimming, but dosing may differ slightly:


Masseter toxin works best alongside other appropriate care for and TMJ:


We work your and any specialists involved — there’s no conflict between and other appropriate care.

Risks and Side Effects of Jaw Slimming Injections

Masseter injections are well-established and considered low-risk when performed by appropriately trained clinicians using correct technique. Most adverse effects are and as the off. placement is the against .


Most masseter complications come from imprecise placement. knowledge minimises:


The treatment is not appropriate for:

Jaw Slimming Injection Cost in London — Plastic Surgeon-Led Pricing

Jaw slimming injections at Centre for are £695 for both sides. A course of 2 sessions (3 months apart) for maximum slimming effect is from £1,250 (saving £140). Pricing reflects the and sits above standard nurse-injector tier in the .


For patients slimming with other at the same appointment:


Every quote at Centre for Surgery includes:


There are no and no per-unit pricing. The price quoted at is the price you pay.


Most London masseter are by aesthetic nurses or dentists at £350–£500 per session. Plastic-surgeon-led clinics sit at a different because the credential, training time, and accumulated anatomical are significantly higher. The masseter is a deep muscle close to the parotid gland, parotid duct, branches of the Oxygen Facial – Hydrating nerve, and the — matters, and surgeon-level anatomical depth is the primary risk .


The relevant question isn’t "why does this cost more than the nurse clinic" but "what’s the value of having a plastic surgeon do this rather than a nurse". For patients with previous facelift, asymmetric jaw anatomy, after problematic treatment elsewhere, or those with pathology — the difference becomes meaningful.


Masseter injections for bruxism are not currently by most UK private health insurance, even where the medical indication is clear. Some consider it on a with dental specialist . We can documentation for if you wish to reimbursement, but most patients self-fund.


For combined treatment plans or course-of-2 protocols, Chrysalis Finance offers plans. 0% are available to status, with longer terms at .


costs at 0% APR over 12 months:


Full finance details are on our , or speak to a on .

Why Choose Centre for Surgery for Jaw Slimming Injections

Masseter injections are sometimes described as a . They are not — at least not when done well. The sits close to important anatomical structures and the of imprecise placement (smile asymmetry, parotid involvement, effect) are . Here’s why Centre for Surgery.


Every injectable treatment at Centre for Surgery is by a plastic surgeon on the GMC Specialist Register — the same who would perform your facelift, blepharoplasty, or rhinoplasty if you needed it. Plastic train in the detailed anatomy of the masseter, parotid gland, facial nerve, and artery because they operate on these structures during . The same informs masseter . This level of credential is uncommon in London .


Centre for Surgery is a clinic on Baker Street, London. The same required of any private hospital apply at our clinic. The market is largely — CQC regulation is a filter.


We tell you if your jaw width is muscular ( to toxin) or bony (not responsive). with primarily bony jaw width are to maxillofacial colleagues for of angle reduction surgery — we don’t that won’t deliver the result you want. Similarly, patients with significant skin laxity or jowls may be better served by facelift than by masseter slimming alone.


We treat both jaw slimming patients and functional with the same protocol. Many patients have both concerns — the same delivers both benefits. We can also alongside your if you have a night guard, recent dental restoration, or ongoing TMJ management.


We dose conservatively at first treatment with the option to top up at the 4–6 week review. Too little is easy to add to; too much produces uncomfortable jaw weakness for 4–6 months. wanting maximum slimming have the course-of-2 protocol; patients wanting subtle change or just control have single .


The most balanced result often combines with jawline filler — the slims the wide muscular component, and filler adds definition and angle. Both are delivered at the same by the same plastic . We also combine masseter with anti wrinkle injections, dermal fillers, biostimulators, or surgical planning.


We see patients with problematic masseter from elsewhere — asymmetric slimming, smile from injection, accentuated jowls from too-aggressive without skin assessment. Surgeon-led credential matters in these cases. We are routinely able to assess what was done, plan corrective treatment, and avoid repeating the same problems.


The clinic is at 95–97 Baker Street, Marylebone, London W1U 6RN, a short walk from Baker Street tube station (Jubilee, Metropolitan, Circle, Hammersmith & City, and Bakerloo lines).


A face-to-face consultation with the surgeon is before any treatment.


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Address: 95–97 Baker Street, Marylebone, London W1U 6RN

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If you're considering or cosmetic surgery in London, Centre for Surgery offers a level of excellence that few clinics can match.



All procedures at Centre for Surgery are performed exclusively by GMC plastic surgeons — the highest available in the UK. Our surgeons hold positions on the GMC Specialist and are members of BAPRAS and ISAPS, you receive care from fully credentialled specialists, not cosmetic .



Our purpose-built hospital at Baker Street, Marylebone is regulated and inspected by the Care Quality Commission (CQC), which awarded us a Good rating — a standard very few surgery in the UK . We use TIVA (Total Intravenous Anaesthesia) as standard, the safest and most form of available for day case .



We offer the full range of surgical and non-surgical treatments under one roof, with in-depth consultations directly with your surgeon — never a sales consultant. Flexible 0% APR is available through Chrysalis Finance, and our programme includes 24/7 nursing .



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Centre for Surgery is a private on London’s Baker Street, delivering plastic and through specialist surgeons. Our expertise spans facial procedures and , , for men, and body procedures such as and . Patient safety, surgical and natural-looking results sit at the heart of everything we do.


Centre for is a CQC-regulated private hospital on London’s iconic , offering plastic and cosmetic led by .




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