An everyday habit of chewing on one side of your face can lead to masseter asymmetry, affecting jawline appearance and ...

The masseter is a muscle on the side of your face that helps you chew. Injecting Botox into this muscle can relieve symptoms of teeth clenching or grinding. It can also help contour your jawline.

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A muscle spasm — also known as a charley horse, muscle cramp or twitch — is a sudden, involuntary movement in one or more muscles. Common causes include stress, exercise, or dehydration, but nerve ...

Masseter Botox relaxes your jaw muscle, which is the muscle that helps you chew. You can get masseter Botox to make your lower face appear slimmer and less square-shaped. It can also help pain ...

Masseter Botox is a nonsurgical procedure that involves an injection to the edge of your jaw, or masseter. This large, rectangle-shaped muscle is responsible for chewing (mastication), biting, and ...