Last Updated: 23 Ocak 2026
Masseter Botox (Jaw Botox)

Masseter botox has become one of the most popular non-surgical aesthetic treatments in recent years, as both its medical and cosmetic benefits are now better understood. The masseter muscle is the strongest chewing muscle and is located on the sides of the jaw. In some individuals, this muscle becomes overly prominent and clearly visible from the outside.

This condition is known as masseter hypertrophy, or enlargement of the jaw muscles. When the masseter muscles grow excessively, the lower face may appear wider, squarer, and less balanced.

What Causes Masseter Muscle Enlargement?

The most common causes of masseter hypertrophy include:

  • Teeth clenching (bruxism)
  • Teeth grinding during sleep
  • Excessive gum chewing
  • Frequent consumption of very hard foods

Over time, these habits cause the jaw muscles to overwork and increase in size. As a result, both facial aesthetics and jaw comfort may be negatively affected.

What Is Masseter Botox?

Masseter botox, also commonly referred to as jaw botox, is a non-surgical treatment designed to reduce the size and activity of the masseter muscles. While it is widely used to relieve teeth grinding and jaw clenching, it is also highly effective for jawline slimming and facial contouring.

The primary goal of masseter botox is to slim the lower face, soften a square jaw appearance, and create a more oval and feminine facial profile. For patients suffering from bruxism, it also provides significant relief by reducing muscle overactivity.

This treatment is especially popular among international patients looking for jawline slimming near Istanbul, as Tekirdağ is conveniently located close to Istanbul and easily accessible.

Who Is a Good Candidate for Masseter Botox?

Masseter botox is suitable for many individuals, but certain conditions must be considered.

This treatment is not recommended during pregnancy or breastfeeding, and patients should wait until this period is completed. Additionally, individuals with bleeding disorders or conditions affecting blood clotting may not be suitable candidates.

Masseter botox is ideal for patients who:

  • Are unhappy with a wide or square jawline
  • Experience nighttime teeth grinding or jaw clenching
  • Suffer from jaw pain or morning headaches related to bruxism

Before the procedure, it is essential to inform your doctor about:

  • Existing medical conditions
  • Previous illnesses
  • Medications currently in use

A consultation with an experienced physician will determine whether masseter botox is the right treatment for you.

Are the Results of Masseter Botox Permanent?

The results of masseter botox are not permanent. Over time, the effects gradually wear off, and muscle activity returns. The duration of results varies from person to person but typically lasts between 3 to 6 months.

Patients who undergo regular treatments often experience longer-lasting results, as the muscle gradually adapts and weakens over time.

In some cases, a follow-up treatment may be recommended two months after the initial session to extend the longevity of the results.

How Many Times Can Masseter Botox Be Repeated?

There is no limit to how many times masseter botox can be performed. Once the effect diminishes, the treatment can be safely repeated under medical supervision. Many patients choose to continue regular sessions to maintain both aesthetic and functional benefits.

Benefits of Masseter Botox

For patients who prefer non-surgical solutions, masseter botox is an excellent alternative to jaw reduction surgery. It is performed without incisions, stitches, or general anesthesia.

Key benefits of masseter botox include:

  • A safe and non-surgical procedure
  • No surgical risks or recovery time
  • Slimming of the jawline and reduction of a square jaw appearance
  • A more refined, oval, and balanced facial contour
  • Reduction in masseter muscle size
  • Improved jawline definition
  • Effective treatment for teeth grinding and jaw clenching
  • Relief from morning jaw pain and tension
  • No need for hospital stay or rest at home
  • No interruption to work or daily life
  • Completed within minutes
  • Minimal and temporary side effects
  • Easily repeatable once the effect wears off
  • Very few post-procedure restrictions

How Does Masseter Botox Work?

Masseter botox is administered via injection directly into the jaw muscles. The botulinum toxin gradually reduces muscle activity, causing the masseter muscles to weaken and shrink over time.

As the muscle size decreases:

  • The jawline appears slimmer
  • The face looks narrower and more proportionate
  • Teeth clenching and grinding are significantly reduced

Because the muscles are less active, patients are unable to clench their teeth as forcefully, which also helps protect teeth and gums from long-term damage.

Does Masseter Botox Cause Pain While Eating?

Masseter botox does not interfere with daily activities such as eating or speaking. Patients do not experience pain while chewing or talking, and the procedure does not negatively affect jaw function.

For this reason, masseter botox is considered a comfortable, safe, and highly effective treatment that can be confidently chosen for both aesthetic and medical purposes.

Masseter Botox Procedure

For patients wondering how masseter botox is performed, it is important to note that this is a non-surgical injectable treatment. Masseter botox is not a surgical procedure, and no incisions or stitches are involved. The entire treatment is completed using a simple injection technique.

Below is a step-by-step overview of the masseter botox procedure:

  • Before the treatment, a topical local anesthetic cream is applied to the jaw area
  • This anesthetic cream numbs the skin and underlying tissues, ensuring a comfortable and pain-free experience
  • Once numbness is achieved, the botox is injected directly into the masseter (jaw) muscles
  • The injections are performed with very fine needles, minimizing discomfort
  • The procedure is quick and efficient, typically completed in approximately 10 minutes
  • Patients generally do not feel pain during the treatment
  • Masseter botox is performed as an outpatient procedure, and no recovery room or hospital stay is required

Thanks to its simplicity and safety, masseter botox is one of the most preferred jaw slimming and bruxism treatments near Istanbul, especially for international patients visiting Turkey for aesthetic procedures. Tekirdağ's close proximity to Istanbul makes this treatment easily accessible for patients seeking high-quality aesthetic treatments in Turkey.

After Masseter Botox

The post-treatment period after masseter botox (jaw botox) is one of the most comfortable aspects of this procedure. Patients often want to know what to expect after the treatment and whether daily life will be affected. Below are the key points you should know about masseter botox recovery:

  • No rest or downtime is required after the procedure
  • Patients do not need to stay at home or rest in a clinical setting
  • You can return to work and daily activities immediately after the treatment
  • Initial effects of jaw botox usually begin to appear within 7 days
  • The full and optimal results are typically noticeable after approximately 3 weeks
  • Once the effect of masseter botox wears off, the procedure can be safely repeated
  • There is no mandatory waiting period or recovery break required before the next session
  • After the procedure, you should avoid any direct impact or trauma to the injection area
  • Massaging the jaw area is not recommended
  • For a few days following treatment, avoid biting or chewing very hard foods to prevent excessive strain on the jaw muscles
  • For the first 24 hours, avoid wearing makeup and do not apply cosmetic or skincare products to the treated area

Masseter botox is a highly effective, non-surgical solution for patients suffering from enlarged jaw muscles, teeth grinding (bruxism), jaw clenching, or a square jawline appearance.

If you are looking for a safe and effective jaw slimming treatment near Istanbul, Tekirdağ offers an excellent advantage due to its close proximity to Istanbul while providing high medical standards and personalized care.

To learn more about masseter botox in Turkey or to schedule an appointment, feel free to contact us today.