Masseter Botox: Jawline Slimming & Facial Contouring
Reduce a square or heavy jawline with masseter Botox — a non-surgical treatment that slims and contours the lower face, from a physician with 23+ years of experience.
23+ YEARS EXPERIENCE | BOARD CERTIFIED MD | FORMER ASST. PROFESSOR OF MEDICINE | 5.0★ ACROSS 136 REVIEWS
What is Masseter Botox?
Masseter Botox is a non-surgical treatment that targets the masseter — the large muscle at the back of the jaw — to create a slimmer, more contoured facial profile. When this muscle is overdeveloped from genetics or habitual clenching, it can give the lower face a square or bulky appearance. By relaxing the masseter with small, precise injections, Botox gradually reduces its size, softening and narrowing the jawline over time.
As a secondary benefit, many patients also notice relief from jaw tension and teeth grinding (bruxism) — though if jaw pain or headaches are your primary concern, our TMJ Botox page is tailored specifically to that.
How Masseter Botox Works
The treatment targets the masseter muscle directly. By injecting small, precise amounts of Botox, the treatment temporarily reduces the muscle’s activity. This leads to:
Muscle Relaxation: Botox temporarily weakens the masseter muscle, reducing overactivity.
Gradual Slimming: Regular treatment shrinks the muscle over time, leading to noticeable face slimming.
Improved Symmetry: A balanced jawline enhances overall facial harmony.
Results typically last three to six months. For facial slimming, improvements become more noticeable after repeated sessions, as the masseter muscle gradually shrinks over time — many patients notice significant changes within 4-6 weeks.
Benefits of Masseter Botox
Slimmer Jawline: Reduces the width of an overdeveloped masseter for a narrower lower face.
Improved Facial Symmetry: Softens a square or boxy jaw into a more balanced, contoured profile.
Non-Surgical: No incisions, no downtime — visible changes without surgery.
Long-Lasting Results: Gradual muscle reduction with repeated sessions, typically every 3-6 months.
Bonus Relief from Clenching: Many patients also notice less jaw tension and reduced grinding.
Quick Appointment: Treatment takes about 15-20 minutes, with minimal discomfort.
Who Is a Good Candidate for Masseter Botox?
Masseter Botox is an excellent option for individuals who have:
A square, wide, or bulky jawline they’d like to soften
Visible muscle bulk from habitual clenching or grinding
Interest in a non-surgical alternative to jaw contouring surgery
Mild jaw tension or clenching alongside their aesthetic goals
A consultation with Dr. Moazemi will confirm whether masseter Botox is the right fit for your goals.
Non-Surgical Jawline Contouring
Unlike jaw reduction surgery, masseter Botox requires no incisions and no downtime, offering a lower-risk path to a slimmer, more contoured profile — with results maintained through regular treatments.
Why Choose a Specialist for Masseter Botox?
Dr. Moazemi will ensure safe, precise, and effective treatment. Choosing a provider with expertise in masseter Botox helps ensure tailored care and optimal results. Look for a provider who:
Has extensive experience in medical Botox applications
Offers a thorough consultation process
Provides customized treatment plans
Frequently Asked Questions:
How soon will I see results?
Ready for a Softer, More Contoured Jawline?
Don’t let an overdeveloped jawline hold back your confidence. With masseter Botox, you can achieve a slimmer, more balanced facial profile — with the bonus of less jaw tension along the way. Learn more about our full range of Botox treatments or review our pre and post-care instructions before your visit.
Ready to find relief and achieve your aesthetic goals? Book your appointment today with our Walnut Creek masseter Botox specialists. Call us at 415-644-8301 or click below to schedule online.