Dry skin on the chin and red, consider the possibility of dermatitis, it is recommended to avoid excessive washing, do not wash the face of the water temperature is too high, warm water can be. At the same time, it is best to cleanse your face with water and do not use alkaline cleansing products to avoid dry skin. Topical allantoin 10% cream can be given topically, also vitamin E cream or butyl hydroxy acid cream can be given topically, in severe cases tacrolimus or pimecrolimus cream can be given topically, usually twice a day topical application. After 5 minutes of medication you can choose a mild non-irritating moisturizing cream to moisturize your skin, taking care not to choose a moisturizing cream with fragrance to avoid irritating the skin. Usually, you also need to pay attention to avoid food soup impregnation of the skin and choose toothpaste that does not contain fluoride so that the toothpaste foam does not irritate the skin.