Botox® is the best approach to smoother forehead lines, crow's feet, frown lines, or laugh lines. Tiny doses of Botox® are injected into the skin where wrinkles are noticeable. The number of injections and dose amounts administered depends on the severity of the wrinkles, therefore varies by patient. Botox®can be used for teeth grinding, headaches, migraines and lots more indications. Results take several days to take effect and last typically 3-4 months.