Square Jaw

A square jaw – also referred to as a wide jaw – is typically when the lower jaw juts out to the side making the jawline look wider, more square and ultimately more masculine in female patients. 

This is often caused by an enlargement of the masseter muscles (which sit over the posterior aspect of the jaw) and can be due often due to either genetics or frequent teeth grinding/clenching.  

Treatments which can help with this concern include:

  • Botulinum toxin


By injecting botulinum toxin injections into the masseter muscle, the jaw becomes less square and more contoured and slimmer.