Dry skin is not all due to vitamin deficiency, other more common causes include weather, age, and lifestyle habits. If you do have a vitamin deficiency, you can supplement with vitamin A, vitamin E, vitamin B2, etc. Consult your doctor for specific dosage. Vitamin A has antioxidant, whitening, pigment removal, light pigmentation, etc.; Vitamin E has antioxidant, light spots, and can reduce wrinkles, increase skin elasticity, can slow down the aging process; Vitamin B2 can play a protective role for the skin. Above vitamin deficiency can appear dry lips, dry skin and other symptoms. In addition to considering vitamin deficiencies, dry skin should also be concerned about the weather, staying up late, over-cleaning, other diseases and other causes. It is recommended to follow the doctor’s instructions to deal with it.