Jaw Slimming Injections
injections by GMC Specialist Register plastic . Masseter muscle for and bruxism. From £695. CQC-regulated Baker .
Jaw Slimming Injections at Centre for Surgery, London
Jaw in summary: toxin precisely placed into the muscles on each side of the jaw to a slimmer, by reducing masseter size over weeks. by GMC Specialist Register surgeons at Centre for Surgery — not nurses, dentists, or non-specialist doctors. takes 5 minutes; visible slimming over 4–8 weeks and lasts 4–6 months. Also highly effective for (teeth grinding), jaw clenching, and masseter-related TMJ pain. From £695 for both sides; course of 2 from £1,250. clinic, 0% APR finance available subject to status.
Plastic surgeon-led, not . The masseter is a close to important anatomical structures — the gland, duct, branches of the facial nerve, and the . matters: too superficial and the to smile expression; too deep or in the wrong location and you risk involvement or facial nerve effect. Plastic this in detail because they on these during . The same surgeon who would your facelift, blepharoplasty, or is the one delivering your . This level of is uncommon in London injectables and most in revision cases, anatomy, patients with previous facelift, or those with concurrent TMJ pathology.
Jaw slimming injections work for two distinct patient groups — those wanting a more refined, less square jawline for reasons, and those with bruxism, jaw clenching, or masseter-related jaw 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 masseter injections, or reduction — use to shrink the masseter muscles on each side of the jaw. The result is a slimmer, contour and (for with or clenching) significantly at night and during stress.
The masseter is the muscle that runs from the cheekbone (zygomatic arch) down to the angle of the jaw. It’s one of four muscles, and one of the strongest muscles in the body relative to its size. In some people, the masseter is large; in others, it becomes enlarged through habitual clenching, grinding, or chewing — particularly in with bruxism, those who frequently, or those who clench their jaw under stress.
When is into the body of the masseter:
The same two different benefits, which often 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 benefits 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 pain. is at with the plastic surgeon.
A with the plastic surgeon is required. The cooling-off period applies to all — you book consultation, then book treatment minimum 14 days later.
Causes of a Wide or Square Jawline
Understanding what’s driving the of your jaw matters because it whether masseter slimming will help — or whether a different treatment is needed.
The your jawline by:
If the is mostly muscular, masseter slimming is the appropriate . If it’s primarily bony, we’ll tell you directly that toxin won’ the change you’re looking for and whether or a different is more appropriate. We don’t recommend 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, application (if requested), and aftercare advice.
Each injection is a brief deep pinprick. The is a so the needle goes deeper than for facial wrinkle treatment, but the area has relatively few . Most patients rate the discomfort 2–4 out of 10 — slightly more than forehead but very tolerable. Each takes a few seconds; both sides completed within 5 minutes.
A follow-up review is included in the treatment cost. At this review:
Aftercare After Jaw Slimming Injections
Recovery 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 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 proportion of our masseter injection come for the functional benefit rather than the one — or for both. This section covers what to expect when the is relief rather than change.
Bruxism is involuntary grinding of the teeth, typically at night. It affects an 8–10% of and can cause:
Masseter botulinum toxin force significantly. Within 2–4 weeks, partner-reported grinding noise reduces or stops. slows or halts. Morning headaches typically reduce. The treatment doesn’t cure the that causes grinding (the still try to contract; they just can’t contract as strongly), but it neutralises the damaging consequences.
We typically recommend masseter toxin for who have:
Stress-related daytime clenching is common, often by the patient. Symptoms include at end of day, tension headaches, and visibly enlarged masseters. reduces the strength of clenching, often providing meaningful relief.
(TMJ) pain has causes — masseter overactivity is one of them. whose is driven primarily by masseter and clenching muscle respond well to . whose is driven by problems, structural issues, or bite problems need dental, maxillofacial, or orthodontic input — toxin alone won’t address 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 alongside your dentist and any specialists involved — there’s no conflict between and other appropriate care.
Risks and Side Effects of Jaw Slimming Injections
are and considered when performed by clinicians using . Most adverse are and resolve as the toxin wears off. Surgeon-level placement is the against complications.
Most come from imprecise placement. Surgeon-level minimises:
The is not appropriate for:
Jaw Slimming Injection Cost in London — Plastic Surgeon-Led Pricing
Jaw slimming at Centre for are £695 for both sides. A course of 2 (3 months apart) for maximum effect is from £1,250 (saving £140). Pricing reflects the GMC plastic surgeon credential and sits above tier in the London market.
For masseter slimming Dermapen with ÜBER Pro Peel (visit the next web page) other treatments at the same appointment:
Every quote at Centre for Surgery includes:
There are no hidden charges and no per-unit pricing. The price quoted at consultation is the price you pay.
Most London masseter injections are by or dentists at £350–£500 per . Plastic-surgeon-led clinics sit at a different because the credential, training time, and accumulated anatomical are significantly higher. The masseter is a close to the gland, parotid duct, branches of the facial 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 with previous facelift, anatomy, after elsewhere, or those with — the difference becomes meaningful.
for bruxism are not currently covered by most UK private health insurance, even where the is clear. Some insurers consider it on a with dental . We can provide medical for if you wish to reimbursement, but most patients self-fund.
For or course-of-2 protocols, offers payment plans. 0% APR options are available subject to status, with longer terms at .
Indicative at 0% APR over 12 months:
Full are on our , or speak to a patient coordinator on .
Why Choose Centre for Surgery for Jaw Slimming Injections
are sometimes described as a treatment. They are not — at least not when done well. The close to important anatomical structures and the consequences of imprecise placement (smile asymmetry, parotid involvement, facial nerve effect) are . Here’s why patients choose Centre for Surgery.
Every injectable treatment at Centre for is performed by a plastic surgeon on the GMC Specialist Register — the same surgeon who would your facelift, blepharoplasty, or rhinoplasty if you needed it. Plastic surgeons train in the of the masseter, parotid gland, facial nerve, and artery because they operate on these structures during facelift . The same anatomical knowledge informs masseter injection placement. This level of is uncommon in London .
Centre for is a private clinic on Baker Street, London. The same clinical required of any private hospital apply at our clinic. The market is largely unregulated — CQC is a meaningful filter.
We tell you directly if your jaw width is ( to toxin) or bony (not responsive). Patients with primarily bony jaw width are referred to for assessment of mandibular angle reduction surgery — we don’t recommend that won’t the result you want. Similarly, patients with significant skin laxity or jowls may be better served by surgical facelift than by slimming alone.
We treat both cosmetic jaw slimming patients and functional bruxism patients with the same protocol. Many patients have both concerns — the same treatment delivers both . We can also coordinate alongside your if you have a night guard, recent dental restoration, or ongoing TMJ .
We dose at first with the option to top up at the 4–6 week follow-up review. Too little is easy to add to; too much jaw weakness for 4–6 months. Patients wanting maximum have the course-of-2 protocol; patients wanting subtle change or just bruxism control have single sessions.
The most jawline result often combines with filler — the masseter slims the wide component, and filler adds definition and angle. Both are delivered at the same by the same surgeon. We also masseter with anti wrinkle injections, dermal fillers, biostimulators, or facelift planning.
We see with problematic masseter treatment from elsewhere — asymmetric slimming, smile asymmetry from too-superficial injection, jowls from treatment without skin . credential matters in these cases. We are 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 (Jubilee, Metropolitan, Circle, & City, and Bakerloo lines).
A face-to-face consultation with the is before any treatment.
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Address: 95–97 Baker Street, Marylebone, London W1U 6RN
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Finance options are available from , 0% APR, subject to status.
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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 at Centre for Surgery are performed by GMC plastic surgeons — the highest available in the UK. Our hold on the GMC Specialist Register and are members of BAPRAS and ISAPS, ensuring you care from fully specialists, not cosmetic doctors.
Our purpose-built hospital at Baker Street, Marylebone is independently regulated and by the Care Commission (CQC), which awarded us a Good rating — a standard very few surgery in the UK achieve. We use TIVA (Total Anaesthesia) as standard, the safest and most advanced form of anaesthesia available for day case .
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Centre for Surgery is a CQC-regulated on London’s Baker Street, delivering plastic and through . Our expertise spans facial and , , for men, and body contouring such as and . safety, surgical excellence and natural-looking results sit at the heart of everything we do.
Centre for Surgery is a CQC-regulated private hospital on London’s iconic , offering plastic and cosmetic led by GMC-registered consultant surgeons.
Marylebone
London
W1U 6RN
Mon – Sat, 9am – 6pm
Saturday consultations available
