For a square jaw from clenching, masseter botox offers facial slimming over weeks as the muscle reduces in bulk
https://www.scribd.com/document/1018545578/Can-You-Exercise-After-Botox-Safe-Activity-Timeline-174162
For a square jaw from clenching, masseter botox offers facial slimming over weeks as the muscle reduces in bulk, refining the lower face without affecting chewing function when dosed properly.