Minoxidil is not recommended for people with naturally high hairline. A high natural hairline may be due to genetic factors, and Minoxidil is usually used to treat androgenetic alopecia, baldness and other hair loss disorders that occur later in life, and is not indicated for a high natural hairline due to genetic factors. If allergic to the product should be prohibited, the drug common adverse reactions are mild dermatitis, occasionally allergic rhinitis, irritant dermatitis, itching, palpitations (rapid heartbeat, often accompanied by panic), changes in blood pressure, dizziness, headache and other symptoms, if there are systemic effects or serious dermatological reactions should be immediately discontinued the use of the product. The use of specific drugs need to be under the guidance of a professional doctor, do not self-medication, so as not to cause adverse effects.