Non-surgical-jaw-reduction-london

Non Surgical Jaw Reduction

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Non-surgical jaw reduction uses small doses of toxin placed precisely into the masseter muscles to reduce their bulk over 4-8 weeks. The result: a softer, more oval-shaped lower face for patients whose wide jaw is caused by muscles rather than bone structure or excess fat. The treatment also provides relief for bruxism (teeth grinding) and jaw tension, making it useful even for patients with no cosmetic .


This is the comprehensive guide to : how they work anatomically, who suits the treatment, what to expect from the procedure and result, and when alternative are more appropriate.


The masseter muscle and what enlarges it


The is one of the four chewing . It from the zygomatic arch (cheekbone) and inserts into the angle and lower border of the (jawbone). When it contracts, it elevates the jaw — its primary function in chewing.


The masseter is strong for its size — one of the strongest muscles in the human body by force per cross-sectional area. Like any muscle, it to heavy use by hypertrophying ( larger). Several factors can produce masseter enlargement:


Genetic . Some individuals naturally have larger muscles of habits — common in certain ethnic and family lines.


(teeth grinding). Repetitive clenching, during sleep, the day and night, significant muscle hypertrophy over years.


Chronic gum chewing or hard food . Repeated heavy of gum, ice, hard candy, or particularly tough foods can contribute to enlargement.


Jaw from stress. Many patients clench their jaw unconsciously during stress, producing similar exercise effects.


TMJ . Underlying jaw joint can produce muscle overuse and consequent hypertrophy.


The result of enlarged is a wider, more lower face. For some this is purely . For others, it’s by tension, jaw pain, headaches, or worn tooth from grinding.


How the treatment works


Botulinum toxin into the interrupts the nerve-muscle signal that controls contraction. Over 4-8 weeks, the affected muscle:


The doesn’t paralyse the muscle completely — chewing function is preserved. The dose is calibrated to weaken the muscle enough to useful slimming strength meaningfully.


Typical dose: units per side, on muscle size and goal. Conservative dosing gradual slimming; higher dosing produces more pronounced effect but with more in chewing .


Number of injection points: typically 3-5 per side, across the body of the muscle. This ensures even distribution of effect rather than localised weakness.


What to expect from the procedure


. of jaw width, masseter size (palpation while you clench), and identification of factors. Photos taken for comparison.


Preparation. Skin . anaesthetic isn’t needed — the are quick and well-tolerated.


The .


Immediate . Mild at injection points, small bruise. No significant immediate effect on the muscle itself — the toxin takes time to act.


.


For broader context, see our .


Timeline of results


Days 1-7: no change. The toxin is acting on the nerve-muscle signal but the muscle hasn’t shrunk yet.


Weeks 2-4: initial muscle weakening becomes noticeable. Some report less jaw tension and grinding/clenching habits.


Weeks 4-8: the muscle begins visibly shrinking as it atrophies from reduced use. Lower face starts to look .


Month 2-3: maximum effect visible. The lower face appears more oval-shaped, often look more defined by contrast.


Months 3-6: stable result. Patients enjoy the slimmer and reduction in jaw .


Months 6-9: effect begins to fade as muscle activity gradually . treatment .


The effect is gradual and often goes by family and friends — they may comment that you look without identifying what’s . This is part of why the treatment is popular: it meaningful change without "work."


Who is a good candidate?


The ideal has:


Less candidates:


For more on the broader question of jawline aesthetics, see our guide on and our reference.


The therapeutic benefits beyond cosmetic


For many patients, jaw provide significant relief from:


Bruxism (teeth grinding). The weakened muscle can’t grind as . Patients with worn tooth surfaces from years of grinding often see substantial improvement, sometimes documented by their dentist at check-ups.


Jaw and pain. masseter tightness produces deep jaw aching that responds well to muscle relaxation.


Tension headaches. Some are driven by chronic and temporalis muscle tension. can headache reduction.


TMJ discomfort. While not a primary treatment for TMJ disorder, the relaxation can reduce TMJ-related pain in many patients.


Dental wear . For patients who grind their teeth, remaining tooth surface from further wear is beyond any .


These sometimes prompt to seek the treatment for reasons, with the slimming effect being a welcome benefit rather than the goal.


Combining with other treatments


Jaw slimming often combine well with other facial treatments:


Jaw slimming + cheek filler. Reducing lower-face width while definition produces overall sculpting. See our guide on .


Jaw + chin filler. Sharper, more chin combined with narrower jaw .


Jaw slimming + buccal fat . For patients with both wide jaw and full lower cheeks, combined treatment addresses both. See our guide on for the thinking.


Jaw slimming + anti-wrinkle treatment elsewhere. Often in the same as or for injectable refinement.


For the broader context, see our .


Cost


Jaw slimming injections at Centre for Surgery are priced per session:


Over a year, total cost is £400-£700 depending on the dose and .


, 0% APR, are available.


A useful comparison: the cost is substantially less than the surgical alternatives ( contouring or masseter reduction surgery), with much faster and no permanent change.


Risks and considerations


Common (mild and self-limiting):


Less common:


Rare:


substantially these risks. A thorough consultation discusses your risk based on your anatomy and goals.


Common questions


Yes — is preserved. The bulk and weakens excessive force but doesn’t eliminate the muscle’s . Most notice no change in their to eat normally.


The slimming develops gradually over 4-8 weeks. muscle relaxation is felt within 2 weeks; visible starts at week 4 and peaks around weeks 8-12.


Not when the is conservatively dosed in appropriate . Patients with already-slim faces are typically against the because of this risk. The should look like refinement, not depletion.


Yes — biting force is . Some patients notice the slight reduction in chewing when eating particularly tough foods (chewy meat, hard candy), but routine eating is entirely normal.


Typically 6-9 months. Many patients find that with over years, the muscle stays relatively reduced even between treatments, sometimes longer .


Often yes — particularly nighttime . The muscle can’t grind as forcefully. Tooth wear is a significant benefit. Discuss Nefertiti Neck Lift with Botox your dentist as well — the with a night guard can be even more .


Yes, though more conservatively. Men typically prefer to retain some jaw width for proportions while still benefiting from reduced muscle tension and bruxism relief. The plan is accordingly.


The toxin can’t be reversed (unlike filler, which can be dissolved). The effect wears off naturally over 6-9 months as muscle activity returns. If you don’t like the result, simply will allow the muscle to gradually regain its previous size.


Mandibular surgery removes bone from the jaw angle — addressing wide jaw caused by bone structure rather than muscle. It’s more invasive, more permanent, and a different cause. Jaw slimming injections only affect muscle. The right depends on whether your jaw width comes from bone or muscle, which is established at .


Most clearly see the change in their own face. and family often notice the patient looks "refreshed" or "thinner" without identifying what specifically changed. The subtlety is part of why the is popular.


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Centre for is a private hospital on London’s Baker Street, delivering and cosmetic surgery through specialist . Our expertise spans facial procedures including and , , for men, and body contouring such as and . Patient safety, 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 , plastic and cosmetic surgery led by consultant surgeons.




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