Help hair loss and regrow fuller hair with men's extra strength 5% minoxidil topical solution. Ideal for use at the early stages of hair thinning, this fast-working hair regrowth treatment is clinically proven to regrow hair. Unlike hair loss shampoos and hair thickening products that temporarily plum hair from the outside, Rogaine penetrates the scalp to reactivate shrunken hair follicles, allowing for regrowth of hair.