Rogaine is used to treat male pattern baldness in patients who are experiencing gradually thinning hair on the top of the head.Rogaine may also be used for other purposes.Apply the prescribed amount, usually 1 mL, to the affected areas of the scalp. Rogaine is usually applied twice daily, in the morning and at night.Wash your hands after applying Rogaine.Avoid getting Rogaine in the eyes, nose, or mouth. If this occurs, rinse the area with water.Do not use Rogaine if the skin on your scalp is damaged, irritated, or sunburned. This may allow more of the medication to be absorbed by your body, which could be dangerous. Do not use more than 2 mL of Rogaine in one day. More medication will not increase or hasten hair growth but it may cause dangerous side effects.Do not use Rogaine on any part of your body other than your scalp. Application to other body parts can be dangerous.It may take 4 months or more before new hair growth is seen. New hair is usually soft, colorless, and barely visible. With further treatment, the hair will become similar in color and thickness to existing hair.If no hair growth is seen after 4 months of treatment, discontinuation of Rogaine should be considered.If treatment is discontinued, new hair growth will usually be shed within a few months.Store Rogaine at room temperature away from moisture and heat.