Regaine for women Regular Strength Clinical trials have shown that REGAINE® for Women solution helps stop further hair loss in 4 out 5 cases, & can regrow some hair in 3 out of 5 women in 32 weeks It’s easy to use & can quickly become part of your morning & evening beauty routine – For best results, it must be used twice daily. Through its active ingredient minoxidil, REGAINE® for Women works by increasing the supply of blood & nutrients to your hair follicles, helping to strengthen the existing hairs & encouraging them to grow. Over time, this process can produce thicker, more visible hair. Through its active ingredient minoxidil, REGAINE® for Women works by increasing the supply of blood & nutrients to your hair follicles, helping to strengthen the existing hairs & encouraging them to grow. Over time, this process can produce thicker, more visible hair.