Regaine helps reverse the progression of hereditary hair loss and continues to lead the way in topical products for regrowing hair. In clinical testing, regaine foam kept or regrew hair in 9 out 10 of men after 4 months when used twice daily. Plus, it goes on easy and dries quickly.new regaine foam is the first and only clinically proven foam hair loss treatment for men. It works by increasing the blood supply to the hair follicles, which helps to strengthen existing hair and stimulate secondary hair growth. The easy to use foam takes very little time to apply, means it seamlessly fits into your daily grooming routine.the innovative new regaine foam format contains a 5 concentration of minoxidil.helps prevent further hair loss and regrow hair, results may be noticeable in just 8 weeks, apply directly to your scalp twice a day, every day, goes on easily and dries quickly and is unscented.