Botox shots block certain chemical signals from nerves that cause muscles to contract. The most common use of these injections is to relax the facial muscles that cause frown lines and other facial wrinkles.
Dermal fillers are used by cosmetic facial surgeons to reduce the signs of aging, minimize skin depressions and scars, and address fine lines and deep wrinkles or folds in the skin of the face. Fillers can also be used on hollow areas below the eyes.