Masseter Botox (Jaw Slimming) for Men
Quick Answer
Masseter Botox uses 25-50 units per side (50-100 total) to slim a wide jaw, relieve teeth grinding (bruxism), and reduce TMJ pain. Cost is $400-$1,200. Results develop gradually over 4-6 weeks as the muscle shrinks. Duration is 4-6 months.
$400-$1,200
Cost
25-50 units per side
Units
10-15 minutes
Duration
4-6 months
Lasts
$0
Downtime
What Is Masseter Botox?
The masseter is the large muscle you feel when you clench your jaw. In men who grind their teeth, clench under stress, or have naturally large masseters, this muscle can make the lower face look wide, square, and heavy. Botox relaxes and gradually shrinks the muscle, creating a slimmer jawline.
Dual Benefits: Aesthetics + Medical
Masseter Botox is one of the few treatments that's both cosmetic and medical. It slims a wide jaw for aesthetics while simultaneously treating bruxism (teeth grinding), TMJ pain, and jaw tension. Many men come for one benefit and discover the other.
Units and Pricing
Men typically need 25-50 units per side (50-100 total) — significantly more than the upper face. At $10-$25 per unit, the cost is $400-$1,200 per treatment. Insurance may cover a portion if you have a documented TMJ or bruxism diagnosis.
Results Timeline
Unlike forehead Botox (which works in days), masseter Botox takes 4-6 weeks for the slimming effect because the muscle needs time to atrophy. The jaw tension relief starts within 1-2 weeks. Full slimming results peak at 6-8 weeks.
Combining with Jawline Filler
The power combo: masseter Botox slims the wide part of the jaw while filler defines the angle. Together they transform the lower face from round and heavy to angular and defined. This combination is the fastest-growing male aesthetic treatment.
Frequently Asked Questions
Does masseter Botox change how I chew?
No. The masseter is much larger than needed for normal chewing. Botox reduces its bulk but doesn't impair function.
How long until I see jaw slimming results?
4-6 weeks. The muscle needs time to gradually shrink. Jaw tension relief starts within 1-2 weeks.
How much does masseter Botox cost?
$400-$1,200 using 25-50 units per side. May be partially covered by insurance if treating bruxism or TMJ.
How often do I need masseter Botox?
Every 4-6 months initially. Over time, many men extend to every 6-9 months as the muscle weakens with repeated treatment.
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