Minoxidil is a medicine that is applied of the scalp to enhance hair growth. Tropical Minoxidil 2% and 5 % are commonly available for hair regrowth. It is most effective for the men/women who have just an onset of hair loss. When applied for several months, hair growth occurs and lasts only as long as the medicine continuously used. Hair loss starts appearing again, if Minoxidil treatment is stopped .