Overview Relaxes blood vessels eventually stimulating hair growth Effective on hereditary hair loss problems Details For hormonal hair loss,Acts predominantly by causing direct peripheral vasodilatation of the arterioles. When applied topically to the scalp Minoxidil may stimulate hair growth to a limited extent,Can be used as an adjuvant treatment of alopecia. How to use Apply Hairgaine on the dry scalp twice a day Insert the pump spray applicator into the bottle and screw it on firmly. after aiming the pump toward the center of the bald area of the scalp, press the pump once and spread hairgaine with fingertips to cover all of the bald areas. repeat for a total of 10 times = a dose of 1ml of solution