The masseter muscle is a strong muscle group responsible for chewing. In some individuals, overactivity of this muscle can lead to issues such as teeth clenching and grinding (bruxism). It may also create a wider, more square appearance in the lower face.

Masseter Botox helps reduce the activity of this muscle, providing both functional and aesthetic benefits. After treatment, a decrease in teeth grinding and clenching can often be observed, while the facial contour appears slimmer and more balanced.