Botox is a medication that is injected into muscles and causes a decrease in the ability of a muscle to contract, resulting in muscle relaxation. Botox has both therapeutic and cosmetic uses. Botox can be used to decrease and prevent grinding and clenching of teeth (bruxism) and headaches. Botox can also be used to eliminate, minimize, and prevent wrinkles around the eyes, on the forehead, and between the eye brows. A few other of its many uses include reducing/eliminating gummy smiles, downturned corners of the mouth, and dimpled chins. Bleeding and bruising is minimal, and no down time is required. You will usually start to notice effects of botox 3-4 days after treatment and be able to appreciate full effects after two weeks. Botox generally lasts 3-4 months.