If you have been struggling with a square jawline or suffer from jaw pain and teeth grinding, there is a treatment that can help. Masseter Botox treatment is gaining popularity as a non-surgical solution for facial slimming and jaw tension. But is it safe? How does it work? And will it make your face look unnatural? We spoke to Dr. Niketa Sonavane, leading dermatologist in Mumbai and founder of Ambrosia Aesthetics, to get the expert answers.

Dr. Niketa Sonavane
Dermatologist, Skin Specialist and Hair Specialist practicing in Mumbai with over 17 years experience and over 10,000 happy patients.
What is Masseter Botox?
Masseter Botox is a treatment that involves injecting botulinum toxin into the masseter muscles. These are the large muscles on the sides of your jaw that help with chewing. Over time, if these muscles become overactive or enlarged, they can give the face a squared-off appearance and cause tension, pain, and even headaches.
Botox helps by relaxing these muscles. This not only slims the lower face but also relieves symptoms of bruxism (teeth grinding) and TMJ disorder (temporomandibular joint dysfunction). The treatment is quick, minimally invasive, and has little to no downtime.
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How Does Masseter Botox Slim the Face?
According to Dr. Niketa Sonavane, the reason some people have a wider jawline is due to masseter hypertrophy, where the muscle enlarges from excessive use. This is common in people who grind their teeth at night or chew excessively.
When Botox is injected into the masseter, it temporarily weakens the muscle. Over the next few weeks, the muscle shrinks, leading to a softer, V-shaped jawline. The final results take about four to six weeks to appear and last four to six months.

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Can Masseter Botox Help with Jaw Pain and Teeth Grinding?
Yes! Botox has been widely researched as an effective treatment for bruxism and TMJ disorder. A study published in the Journal of Oral Rehabilitation found that patients who received masseter Botox experienced a significant reduction in teeth grinding and jaw pain. This makes it a great alternative for those who do not find relief with mouthguards or physical therapy.
Does Masseter Botox Change Your Smile?
A common concern is whether Botox in the jaw will affect facial expressions or cause a lopsided smile. Dr. Sonavane reassures that when performed by an experienced injector, the treatment only targets the masseter muscle and does not affect other facial movements. However, injecting too much Botox or placing it incorrectly can lead to weakness in surrounding muscles, which is why it is essential to choose a qualified expert.
Who is a Good Candidate for Masseter Botox?
If you have a wide jawline, experience frequent jaw pain, or suffer from teeth grinding, you may be a good candidate for this treatment. However, Dr. Sonavane advises that Botox may not be suitable for everyone. Those with loose skin in the lower face may notice sagging after the muscle shrinks. In such cases, combining Botox with skin-tightening treatments like Ultracel Q+ HIFU or Venus Freeze RF can help maintain a youthful appearance.
How Long Do the Results Last?
Most patients notice results within a month, and the effects last four to six months. With repeated treatments, the masseter muscle shrinks over time, meaning that less Botox is needed to maintain the results. Some people even experience permanent facial slimming after multiple sessions.
What is the Recovery Like?
Masseter Botox has no downtime. You may experience mild swelling or tenderness at the injection sites for a day or two, but this is normal. Dr. Sonavane recommends avoiding chewing gum, excessive jaw movement, and lying down for a few hours after the treatment to ensure optimal results.
Are There Any Side Effects?
Masseter Botox is generally safe when done by an experienced injector. Some minor side effects include temporary soreness, mild bruising, or asymmetry, but these usually resolve on their own. Serious side effects are rare but can include difficulty chewing if Botox spreads to unintended muscles.
Is Masseter Botox Right for You?
If you are looking for a slimmer, more feminine jawline or relief from jaw pain and teeth grinding, Masseter Botox could be a great option. Dr. Niketa Sonavane emphasizes the importance of consulting a trained and experienced dermatologist to achieve natural-looking results without complications.
Ready to transform your jawline and ease jaw tension? Book your Botox shots with Dr. Niketa Sonavane at Ambrosia Aesthetics, Mumbai, and take the first step toward a more sculpted, pain-free face.

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