Injectables & Fillers

Masseter Botox

Softening the angle of the jaw by relaxing the main chewing muscle.

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Injectables & Fillers at LIN Europe Clinic, Istanbul

Masseter Botox is an injection of botulinum toxin into the large muscle that closes the jaw. By limiting its strongest contractions, the treatment allows the muscle to shrink from overuse. The degree of change depends on the muscle’s initial thickness and strength, and on the anatomy of the jawbone beneath it. The aim is a less square, more tapered lower face, or relief from the tension of clenching and grinding.

The effect is assessed against the rest of the face, not against a photograph. A reduction in the width of the lower jaw has to balance with the width of the cheekbones and the projection of the chin. On some facial structures, reducing the masseter's volume can reveal or accentuate sagging in the skin lower down. The plan is to create proportion within your own features, not to replicate an effect seen on someone else.

Medical Aesthetics at this clinic

Results

These are medical aesthetics cases performed here, not all of them this operation — some include an uplift, which is a different procedure. Every pair is on the results page with its own description.

Lip Filler — Before
Before
Lip Filler — After
After

Lip Filler

A fuller smile, still your own

A measured lip filler result, judged against the rest of the face rather than a trend.

The masseter is one of several chewing muscles; reducing its bulk does not affect normal eating. Where the muscle's overactivity is the source of headaches or dental damage from grinding, that is the primary concern. The muscle will reduce in size as long as its activity is limited. If the underlying habit of clenching returns, the muscle can regain its previous size over time. The treatment manages the muscle; it does not remove it.

No price list. Every plan is quoted for one person and one anatomy, so a figure only means something once someone has looked at yours — you get one in writing before you commit to anything.

This article is general information, not medical advice, and does not replace a consultation. Every procedure carries risk and outcomes vary from person to person.

Guests of the clinic, on camera

Guest Films

Filmed and published with our guests’ consent. Each speaks only for their own treatment — every face heals differently, and these are individual outcomes, not a promise of yours.

Questions people ask

Answered as far as they can be answered in writing. Anything that depends on your own anatomy is answered by a surgeon looking at it.

What is the difference between masseter Botox and jaw reduction surgery?

Masseter Botox addresses the size of the main chewing muscle. It reduces the muscle’s bulk by limiting its strongest contractions. Jaw reduction surgery, by contrast, reshapes the mandible, the bone of the lower jaw itself. One treats soft tissue, the other treats bone. The appropriate procedure is determined by whether the width of the lower face comes from muscle thickness, bone structure, or both.

How does Botox make the masseter muscle smaller?

Botulinum toxin temporarily blocks nerve signals that cause the muscle to contract forcefully. The masseter is one of several muscles used for chewing, so normal function is not affected, but the powerful clenching that causes overuse is reduced. With this reduction in strenuous activity, the muscle loses volume over time, a process known as atrophy. The muscle tissue shrinks; it is not removed.

How much will my jawline change with masseter Botox?

The extent of the change is governed by the anatomy of the individual. The primary factor is the initial thickness of the masseter muscle; a larger, overdeveloped muscle has more capacity to reduce in size. The final contour is also shaped by the underlying jawbone and the position of other facial features, such as the cheekbones and chin. The aim is proportion, not a specific degree of reduction.

Is masseter Botox a permanent solution for a square jaw or teeth grinding?

The treatment manages the muscle's activity rather than removing the muscle itself. The reduction in size lasts as long as the muscle's strongest contractions are limited. If the habit that caused the muscle to overdevelop—such as clenching—resumes after the effect of the injection wears off, the muscle can gradually return to its original size. Maintaining the result often involves follow-up treatments.

Where is the masseter Botox treatment performed and who will be there?

The treatment is administered by a surgeon in a fully accredited hospital in Istanbul; the specific hospital is named in your written plan before you travel. For your consultation and treatment, an interpreter is present to ensure every detail is understood. The procedure is carried out in a clinical setting that meets hospital standards for patient care, not in an office or hotel.

What should I have ready for my masseter Botox consultation?

Be prepared to describe your main concern: is it the aesthetic width of your jaw, or is it physical symptoms like tension, headaches, or damage to your teeth. It is important to mention any clicking or soreness in your jaw joint. A list of all medications you take, and any previous treatments for this issue, such as injections or dental guards, will be needed for a full assessment.

Guest Stories

Told quietly, by those who lived it.

  • ★★★★★
    I was initially anxious about undergoing a hair transplant, but the team provided such a supportive and professional environment right from the start. Six months later, the results are absolutely stunning—my hairline looks so natural that no one can tell I had the procedure.
    IrinaRead on Trustindex
  • ★★★★★
    İlk kez estetik bir işlem yaptırdım ve sonuç beni çok memnun etti. Süreç, başta endişelendiğimden çok daha rahat ve konforlu geçti. Kendimi her adımda güvende hissettim ve profesyonel yaklaşım oldukça etkileyiciydi.
    ValsovaRead on Trustindex
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    Ekip oldukça ilgili ve deneyimliydi. Süreç boyunca profesyonelliklerinden ve yaklaşımlarından dolayı kendimi güvende hissettim. Her soruma içtenlikle cevap verdiler ve benim için her detayı düşündüler.
    ElenaRead on Trustindex

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Marina Clinic · Bakırköy
Zeytinlik, Kennedy Cad. No: 24, İç Kapı No: 1, 34140 Bakırköy / İstanbul