Baldness patients who have had localized closed injections can still be treated with minoxidil tincture. Minoxidil tincture is a topical vasodilator that improves blood supply to the scalp and stimulates hair follicles to encourage new hair growth. Topical medications do not interfere with other injectable medications and can usually be used in combination. Minoxidil tincture adverse reactions mainly include local skin redness, burning, and flaking, itching, etc., the symptoms of mild people do not need to stop the drug, for the symptoms of serious people, you need to reduce the amount of appropriate under the guidance of the doctor or stop the drug. Minoxidil tincture contraindications mainly include allergies to the components of the drug. Localized use of the drug for closed treatment is not a contraindication to Minoxidil tincture, and can continue to be used in the absence of infection. In order to ensure the safety of the drug, it must be used under medical supervision.