
Initial consultation
The clinician reviews the concern, medical history, medicines, muscle movement and treatment goals. Important alternatives are also discussed.

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Masseter Reduction & Jaw Slimming is a non-surgical injectable treatment that uses small, carefully placed doses of botulinum toxin to reduce masseter muscle bulk and create a slimmer lower-face shape.
Masseter Reduction & Jaw Slimming is a non-surgical injectable treatment that uses small, carefully placed doses of botulinum toxin to reduce masseter muscle bulk and create a slimmer lower-face shape.
Consider this treatment when you want to reduce masseter muscle bulk and create a slimmer lower-face shape and a medical assessment confirms botulinum toxin is appropriate. Individual assessment remains essential before proceeding.

Masseter Reduction & Jaw Slimming is a non-surgical injectable treatment that uses small, carefully placed doses of botulinum toxin to reduce masseter muscle bulk and create a slimmer lower-face shape.

The goal is to reduce masseter muscle bulk and create a slimmer lower-face shape while preserving the function and movement needed in the treated area. Progress is reviewed against agreed goals.

It is generally well tolerated in suitable patients when performed by a qualified practitioner after medical screening, but no treatment is risk-free. Botulinum toxin is a prescription medicine and must be prescribed and administered under appropriate medical supervision.
Temporary redness, tenderness, small bruises, headache or a feeling of tightness can occur. These effects are usually temporary.
Possible risks include unwanted weakness, asymmetry, swallowing or breathing difficulty in relevant areas, allergic reaction and rare spread of toxin effect.
Each appointment is planned around your anatomy, goals, and medical suitability.

The clinician reviews the concern, medical history, medicines, muscle movement and treatment goals. Important alternatives are also discussed.

The skin is cleaned, the treatment points are marked and the planned dose is confirmed. Comfort and protection are checked.

Small amounts of prescription botulinum toxin are injected into the selected muscles. The treatment response is monitored.

Aftercare is explained and a review is arranged if the indication or response requires it. Follow-up timing is confirmed clearly.
Share your medical history, allergies, medicines and previous procedures, and do not stop prescribed medicine unless the prescribing clinician advises it. Avoid treatment during active infection and tell the clinician about pregnancy, breastfeeding or neuromuscular conditions.
Keep the area clean, avoid rubbing or pressing it, and follow the clinician’s advice about exercise, heat and other facial treatments. Contact the clinic if symptoms become severe or unusual.
The effect usually starts to become visible within 3-7 days. The full response is usually assessed after 2-4 weeks.
Exact treatment planning and pricing are confirmed during consultation.
Prices may vary depending on product, amount, and treatment combination.
Each treatment is adapted to your anatomy, goals, product suitability, and safe clinical sequencing.
Clinical noteIt may be combined with fillers, skin-quality injections or laser treatments when each procedure is medically suitable and correctly timed. Clinical sequencing and timing remain important.
Clinical noteThe practitioner should confirm the diagnosis, suitability, realistic outcome and consent before treatment. The dose and injection pattern must be individualised; the lowest effective dose should be used.
Find direct answers about Masseter Reduction & Jaw Slimming, suitability, results, and aftercare.
Masseter Reduction & Jaw Slimming is a non-surgical injectable treatment that uses small, carefully placed doses of botulinum toxin to reduce masseter muscle bulk and create a slimmer lower-face shape.
The appointment usually takes 20-45 minutes, depending on the number of muscles and injection points. The effect usually starts to become visible within 3-7 days. The full response is usually assessed after 2-4 weeks. The effect commonly lasts about 3-6 months, but response varies by condition, dose and patient. Maintenance is based on return of symptoms or movement and should not be scheduled more often than the prescribing clinician recommends.
Discomfort is usually rated around 2-3 out of 10, although each person's experience can differ. Anaesthesia is usually not required, although a cold pack or topical numbing may be offered. Downtime is minimal, and most people return to normal daily activity the same day. Small raised injection marks or mild swelling may last a few hours and occasionally up to 1-2 days. Temporary redness, tenderness, small bruises, headache or a feeling of tightness can occur. These effects are usually temporary.
Consider this treatment when you want to reduce masseter muscle bulk and create a slimmer lower-face shape and a medical assessment confirms botulinum toxin is appropriate. Individual assessment remains essential before proceeding. It is generally well tolerated in suitable patients when performed by a qualified practitioner after medical screening, but no treatment is risk-free. Botulinum toxin is a prescription medicine and must be prescribed and administered under appropriate medical supervision. Share your medical history, allergies, medicines and previous procedures, and do not stop prescribed medicine unless the prescribing clinician advises it. Avoid treatment during active infection and tell the clinician about pregnancy, breastfeeding or neuromuscular conditions. Keep the area clean, avoid rubbing or pressing it, and follow the clinician’s advice about exercise, heat and other facial treatments. Contact the clinic if symptoms become severe or unusual.