"Masseter Botox can look good on people with squarer, wider jawlines, meaning they have a good support structure and elasticity," says Catherine Chang, Beverly Hills-based plastic and reconstructive ...

“Botox relaxes the muscles by blocking the receptors ... it can lead to early jowling, so it’s very important to consult with a doctor who has a special eye for artistry.

Botox treats both." Ahead ... and loss of collagen can all lead to jowling," says Dr. Lolis. "So, theoretically, diminishing the size of the masseter can potentially contribute to jowling." ...