What is Botox treatment? Botox is a drug that weakens or paralyzes muscle. In small doses, it can reduce skin wrinkles and help treat some muscle conditions. Botox injections are probably best known for reducing skin wrinkles. Botox can also help treat crossed eyes, eyelid spasms, excessive sweating, and some bladder disorders. How Botox injections work A wrinkle in the skin is typically formed perpendicular to a contracting muscle located directly beneath it. For example, the muscle in the forehead is a vertical muscle, and when it contracts (such as when you raise your eyebrows), the lines that form (wrinkles) will be horizontal. Likewise, the two muscles that are responsible for the frown lines are positioned slightly horizontally between the eyebrows, so when they contract, the frown lines appear vertical. Botox Cosmetic is injected into muscles, where it blocks nerve impulses to those tissues. The muscle activity that a cause the frown lines is reduced and a smoot...