Compare to the active ingredient in Rogaine for women. Hair Regrowth Treatment For Women, Minoxidil 5%, Topical Aerosol (Foam) contains the #1 Dermatologist Recommended Active Ingredient for hair regrowth (of U.S. Physicians surveyed by an independent market research firm). When used as directed, this once-a-day minoxidil foam works beneath the surface to reactivate hair follicles and stimulate hair regrowth on the top of the scalp. This preparation is for women with a general hair thinning on the top of the scalp. ACTIVE INGREDIENT: This product contains minoxidil 5%, the #1 Dermatologist Recommended Active Ingredient for hair regrowth (of U.S. Physicians surveyed by an independent market research firm). Compare to the active ingredient in Rogaine for womenMINOXIDIL FOR WOMEN: This hair regrowth treatment is for women who have a general thinning of hair on the top of the scalpCLINICALLY PROVEN TO REGROW HAIR: When used once a day as directed, this hair regrowth treatment for women can help to regrow hair on top of the scalpSTIMULATES HAIR GROWTH: This minoxidil foam hair regrowth treatment works beneath the surface to reactivate hair folliclesRESULTS may occur at 3 months with once-daily use. For some women, you may need to use this hair regrowth treatment once a day for at least 6 months before you see results