There is no authoritative data to show how long the efficacy of minoxidil tincture can last, and some patients can achieve the effect of healing after using minoxidil tincture, with less chance of recurrence, and the efficacy is maintained for a longer period of time. However, due to individual variability, it is impossible to generalize. The main ingredient of minoxidil tincture is minoxidil, which belongs to a kind of peripheral vasodilator, and can be used to treat male pattern baldness and baldness. The mechanism of this drug for treating hair loss is not clear, it may be to promote blood circulation around the hair follicles and stimulate hair growth, so as to achieve relief of baldness. In general, most patients use Minoxidil tincture, the efficacy of the treatment is good, basically can achieve the effect of healing, the efficacy of the maintenance of a relatively long time. However, due to individual variability, a small number of patients may experience a relapse after a few years, and it is impossible to generalize. Patients may experience mild dermatitis, redness, flakiness and burning pain while using Minoxidil tincture. Therefore, allergy to Minoxidil tincture, children, and pregnant women should contraindicate or use the drug with caution. The drug should be used in accordance with medical advice.