The effective effect of minoxidil tincture varies from person to person, usually patients can see some effect after 3 months of use, and it can increase with time. Minoxidil tincture is a peripheral vasodilator, topical long-term use can be used to treat male pattern baldness and baldness, can only be used for men, the effective time varies from person to person, usually, the general use of 3 months after the use of a certain effect can be seen, the efficacy of the treatment with the use of time to further enhance the time to increase, about 6 months can reach the desired results, 4 months did not see the regrowth of hair should be discontinued the use of this product. Minoxidil tincture can not be taken orally or applied to other parts of the scalp other than the scalp, common adverse reactions for mild dermatitis of the scalp, allergic to its ingredients is prohibited, the use of which should be carried out under the guidance of a doctor.