Minoxidil Topical Aerosol, 5% (Foam) is for men who have a general thinning of hair on the top of the scalp (vertex only). Not intended for frontal baldness or a receding hairline. Minoxidil topical aerosol, 5% (foam) has been shown to regrow hair in men on the top of the scalp (vertex). If men have more hair loss or hair loss in a place other than the vertex, Minoxidil Topical Aerosol, 5% (Foam) may not work.