Botulinum neurotoxins round out the broader category of injectables that weaken muscles to improve wrinkles. In addition to preventing and treating wrinkles, neurotoxins are used for facial slimming, to treat TMJ (jaw clenching), migraine/headaches, hyperhidrosis (excessive sweating), lip lifts, correct asymmetry, and much more. Dr. Castillo's artistic approach to filler results in a more confident version of yourself without looking like everyone else.