The outermost layer of skin on your face, what you see and wash ... and contoured — but these exercises can worsen temporomandibular joint (TMJ) problems, and not everyone wants a wider jawline ...

You can get masseter Botox to make your lower face appear slimmer and less square-shaped. It can also help pain associated with TMJ, teeth grinding, or excessively clenching your jaw. The masseter ...