Jawline Slimming with Botox


Treatment for reducing a prominent or asymmetric jawline caused by enlarged muscles by smoothing the facial contour.

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Botox is an effective treatment for reducing a prominent or asymmetric jaw line caused by enlarged muscles. The muscles along the posterior jaw are used to chew and clench the teeth, and can become enlarged when the teeth are clenched while sleeping. The botox treatment reduces the size of the muscles injected, thereby smoothing the facial contour.

About the Procedure

Using botox to reduce the size of a muscle is not uncommon and can be used for enlarged jaw muscles as well as calf muscles to improve body contouring. Botox blocks signals from the nerves to the muscles preventing contraction. By preventing contraction the muscle will cease to grow in size and will begin to atrophy, reducing its prominence. Before treatment the area will be cleansed and marked for injection. Typically, 15-50 units of botox is injected on each side of the face into the masseter muscle. This treatment should not have a major impact on biting or chewing. Patients who are interested in receiving botox to contour the jawline must be aware that the injection will only treat overactive masseter muscles and will not improve a squared jawline caused by bone structure.

Commonly Treated Concerns

Typical Cost Range

$100 – $2500

Ideal Candidate

Jawline slimming with botox is not recommended for patients with a squared jaw line that is defined by squared jaw bones as botox only affects the jaw muscle.

Additional information

Average Cost


Cost Range

$100 – $2500





Procedure Pros

• slims face
• helps TMJ symptoms
• less tension

Procedure Cons

• temporary
• gradual improvement

Recovery Notes

Botox for jawline slimming is best for patients with enlarged jaw muscles caused by overuse of the masseter muscle.

Recovery Time

1 days

Surgical (Y/N)

Nonsurgical / Noninvasive