Jaw Slimming Injections
Jaw slimming by GMC Specialist Register plastic surgeons. Masseter muscle treatment for jawline and . From £695. Street clinic.
Jaw Slimming Injections at Centre for Surgery, London
Jaw in summary: placed into the masseter muscles on each side of the jaw to a slimmer, softer jawline by reducing over weeks. Performed exclusively by GMC Specialist Register plastic surgeons at Centre for Surgery — not nurses, dentists, or non-specialist doctors. Treatment takes 5 minutes; visible slimming develops over 4–8 weeks and lasts 4–6 months. Also highly effective for bruxism (teeth grinding), jaw clenching, and masseter-related TMJ pain. From £695 for both sides; course of 2 from £1,250. CQC-regulated clinic, 0% APR finance available subject to status.
surgeon-led, not nurse-led. The is a deep muscle close to important anatomical structures — the parotid gland, parotid duct, branches of the facial nerve, and the . Injection placement matters: too and the toxin diffuses to smile asymmetric expression; too deep or in the wrong location and you gland involvement or facial nerve effect. Plastic surgeons learn this anatomy in detail because they operate on these structures during facelift surgery. The same surgeon who would perform your facelift, blepharoplasty, or rhinoplasty is the one your jaw slimming . This level of is in and most in revision cases, anatomy, patients with previous facelift, or those with concurrent TMJ .
Jaw slimming injections work for two distinct patient groups — those wanting a more refined, less square for reasons, and those with bruxism, jaw clenching, or pain wanting symptom relief. Both groups are treated using the same protocol, and many have both .
Related content at Centre for Surgery:
What Are Jaw Slimming Injections?
injections — also called masseter injections, or non-surgical jaw — use to shrink the masseter muscles on each side of the jaw. The result is a slimmer, and (for with or clenching) significantly reduced jaw 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 chewing muscles, and one of the strongest muscles in the body relative 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 chew gum frequently, or those who clench their jaw under stress.
When botulinum toxin is injected into the body of the (Jawline) Botox (https://babesaesthetics.com):
The same injection delivers two different benefits, which often in the same patient:
A which factors are present and which treatment, or combination, is most appropriate.
Benefits of Jaw Slimming Injections
The benefits of fall into two categories — visible jawline change and functional symptom relief. Most patients experience some of both.
Who is Suitable for Jaw Slimming Injections?
Jaw slimming injections are suitable for 18+ whose jaw width is at least partly muscular, or who have bruxism, jaw clenching, or pain. Suitability is confirmed at with the .
A consultation with the is required. The cooling-off period applies to all elective treatments — you book consultation, then minimum 14 days later.
Causes of a Wide or Square Jawline
Understanding what’s the of your because it whether will help — or whether a different treatment is needed.
The plastic surgeon assesses your by:
If the is mostly muscular, masseter slimming 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 discuss whether maxillofacial referral or a different is more appropriate. We don’ treatment that won’t deliver the result you want.
The Jaw Slimming Injection Procedure
The injection itself takes 5 minutes for both sides. Allow 30–45 minutes total for the appointment including consultation review, photographs, numbing cream application (if requested), and .
Each is a brief deep pinprick. The masseter is a deep muscle so the needle goes deeper than for facial wrinkle treatment, but the area has relatively few endings. Most patients rate the 2–4 out of 10 — slightly more than forehead but very tolerable. Each injection takes a few seconds; both sides within 5 minutes.
A is included in the . At this review:
Aftercare After Jaw Slimming Injections
in summary: Minimal . Resume work and most normal activities the same day. Avoid lying flat, heavy exercise, and for 4 hours. Avoid alcohol for 24 hours. Mild jaw fatigue with possible for first 2–3 weeks. Early effects from day 7; 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 primary goal is rather than change.
is of the teeth, typically at night. It affects an estimated 8–10% of and can cause:
toxin reduces grinding force significantly. Within 2–4 weeks, partner-reported grinding noise reduces or stops. Tooth wear slows or halts. Morning headaches typically reduce. The doesn’t cure the brain pattern that causes grinding (the muscles still try to contract; they just can’t contract as strongly), but it the .
We typically recommend masseter toxin for bruxism patients who have:
Stress-related daytime clenching is common, often by the . include jaw fatigue at end of day, tension headaches, and visibly enlarged . Masseter toxin the strength of clenching, often providing meaningful relief.
(TMJ) pain has multiple causes — masseter overactivity is one of them. whose is driven primarily by and clenching muscle tension typically respond well to masseter toxin. whose TMJ pain is driven by problems, structural issues, or bite problems need additional dental, maxillofacial, or — toxin alone won’ 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 bruxism and TMJ:
We work your dentist and any — there’s no conflict between masseter toxin and other appropriate care.
Risks and Side Effects of Jaw Slimming Injections
are well-established and considered low-risk when by appropriately trained clinicians using . Most are temporary and resolve as the off. Surgeon-level placement is the main mitigation against .
Most come from placement. Surgeon-level anatomical minimises:
The is not appropriate for:
Jaw Slimming Injection Cost in London — Plastic Surgeon-Led Pricing
Jaw slimming injections at Centre for Surgery are £695 for both sides. A course of 2 (3 months apart) for maximum effect is from £1,250 (saving £140). the and sits above standard nurse-injector tier in the .
For patients combining 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 consultation is the price you pay.
Most London masseter injections are delivered by aesthetic nurses or dentists at £350–£500 per session. Plastic-surgeon-led clinics sit at a different pricing tier because the credential, training time, and accumulated anatomical are significantly higher. The is a deep muscle close to the parotid gland, duct, of the facial nerve, and the masseteric artery — placement matters, and depth is the primary risk mitigation.
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, asymmetric jaw anatomy, after problematic treatment elsewhere, or those with concurrent — the difference becomes meaningful.
for bruxism are not currently covered by most UK private health insurance, even where the medical indication is clear. Some consider it on a case-by-case basis with dental . We can medical documentation for insurance claims if you wish to attempt reimbursement, but most .
For plans or course-of-2 protocols, offers . 0% APR are available subject to status, with longer terms at variable rates.
Indicative at 0% APR over 12 months:
Full finance details are on our , or speak to a patient coordinator on .
Why Choose Centre for Surgery for Jaw Slimming Injections
Masseter are sometimes described as a routine treatment. They are not — at least not when done well. The masseter sits close to important anatomical structures and the of imprecise placement (smile asymmetry, parotid involvement, facial nerve effect) are meaningful. Here’s why patients choose Centre for .
Every injectable treatment at Centre for is performed by a plastic surgeon on the GMC Specialist — the same surgeon who would perform your facelift, blepharoplasty, or if you needed it. Plastic surgeons train in the detailed anatomy of the masseter, gland, facial nerve, and masseteric artery because they operate on these structures during facelift surgery. The same anatomical knowledge directly masseter injection placement. This level of credential is in London .
Centre for Surgery is a private clinic on Baker Street, London. The same clinical governance standards of any private apply at our clinic. The injectables market is largely unregulated — CQC is a filter.
We tell you directly if your jaw width is muscular (responsive to toxin) or bony (not responsive). with primarily bony jaw width are to colleagues for assessment of angle — we don’t recommend that won’t the result you want. Similarly, with significant skin laxity or jowls may be better served by surgical facelift than by masseter alone.
We treat both jaw patients and patients with the same protocol. Many have both concerns — the same delivers both benefits. We can also alongside your dentist if you have a night guard, recent dental restoration, or ongoing TMJ .
We dose conservatively at first treatment with the option to top up at the 4–6 week follow-up review. Too little is easy to add to; too much produces jaw weakness for 4–6 months. wanting maximum slimming have the course-of-2 protocol; patients wanting subtle change or just bruxism control have single sessions.
The most jawline result often combines slimming with jawline filler — the slims the wide muscular component, and filler adds and angle. Both are delivered at the same appointment by the same plastic surgeon. We also combine slimming with anti wrinkle injections, dermal fillers, biostimulators, or facelift planning.
We see with problematic treatment from elsewhere — slimming, smile asymmetry from injection, accentuated jowls from without skin . credential matters in these cases. We are routinely able to assess what was done, plan 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, & City, and Bakerloo lines).
A face-to-face with the plastic is before any .
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Address: 95–97 Baker Street, Marylebone, London W1U 6RN
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are available from , including 0% APR, subject to status.
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Marylebone
London
W1U 6RN
Mon – Sat, 9am – 6pm
Saturday available