Adapalene gel belongs to the class of drugs of retinoic acid, which has a good effect to get rid of acne and can treat flat warts and psoriasis as an adjuvant treatment. However, this drug is usually used at night, because the ultraviolet rays of the sun can make this drug increase the chance of cancer in the skin, and you must do experiments before using this drug to see if there will be any infection, and if there are adverse consequences or other allergies, try not to use it. At the same time, when using this ointment, it may cause skin peeling, which is a normal phenomenon, just use it once a day at night, if you feel the effect is not good, try not to use it more, usually in about 1~2 times.