Keratosis Pilaris apply retinoic acid ointment, salicylic acid ointment, urea ointment. 1. Vitamin A acid ointment: Vitamin A acid ointment can regulate the abnormal keratinization of skin follicles and help the skin return to normal. Topical retinoic acid ointment should be avoided in the sun, not used on a large area, and not shared with irritating drugs or cosmetics. Skin burning, flaking, erythema and other discomforts may occur after use. Contraindicated in pregnant women of childbearing age and lactating women. Acute or subacute dermatitis eczema is prohibited. 2. Salicylic acid ointment: Salicylic acid ointment can make the adhesion of the tighter keratin loosening easy to fall off, improve the follicular keratosis. Allergic to salicylic acid is prohibited, should not be used on a large area, the presence of skin ulcers, inflammation is prohibited. Skin irritation after use, large area use may appear dizziness, shortness of breath and other symptoms of poisoning. 3. Urea ointment: Urea ointment can increase the water content of the stratum corneum of the skin, help soften the keratin, and facilitate the treatment of follicular keratosis pilaris. Pregnant and lactating women are forbidden to use it. When itching, burning sensation, redness and other discomforts occur after use, the medication should be stopped immediately. Keratosis Pilaris topical ointment needs to be guided by a professional doctor, it is recommended that patients with Keratosis Pilaris go to the hospital first.