Botox can gently refine a square jawline caused by enlarged masseters

https://www.scribd.com/document/1027456623/Botox-Cosmetic-A-Beginner-s-Guide-to-Treatment-Options-146439

Botox can gently refine a square jawline caused by enlarged masseters, with gradual slimming over weeks that maintains function while softening facial contours.