Regaine for women foam is a treatment for female pattern hair loss it is the first and only clinically proven foam for women to regrow hairr r regaine for women foam contains the active ingredient minoxidil minoxidil is scientifically proven to work deep down in the root to reactivate hair follicles revitalised follicles take as little as 12 weeks to create new hair 8 out of 10 women experience hair regrowthr r the product is applied once daily and we suggest application at night for best