Hair regrowth treatment* *For men and women with hereditary hair loss. Results may be visible for men after using Minoxidil regularly 2-4 months. Results may be visible for women after using Minoxidil regularly for 4 months. The amount of hair regrowth is different for each person. Minoxidil will not work for everyone. Stop using product if you do not see hair regrowth after 4 months and see your doctor.