Keranique"s Hair Regrowth Treatment features 2% Minoxidil, the only FDA-approved ingredient clinically proven to help women regrow hair. For women with thin hair looking for serious and long term solutions and to maintain their hair"s body. Twice a day, everyday, for healthy and fuller-looking hair. Minoxidil is a vasodilator that promotes oxygen, blood and nutrients to the follicles to make them stronger and help re-grow hair.