When Botox is placed correctly into the masseter muscle, "it essentially stops the muscle from contracting and causes that muscle to shrink in size (a process called atrophy), over time," says Dr.

Another possible side effect of Botox is that muscles in the face can atrophy — meaning they get weaker and smaller — as a result of the paralysis. While some muscle weakness is the intended ...

(Some practitioners, however, won't administer Botox to line-free faces as it can actually make people look older and, if done incorrectly, lead to muscle atrophy and sagging). While the US has ...

What exactly is preventative Botox and how does it differ from a regular Botox? Botox is a neurotoxin injected to treat wrinkles and reduce the appearance of fine lines. According to Dendy ...