1, the bathing time should not exceed half an hour at most, especially when bathing, the water temperature should not be too high, because if the bathing time is too long, it may destroy the cuticle of the skin and the epidermal barrier of the skin, thus leading to some symptoms of skin allergy and skin itching.

2. For the destruction of epidermal barrier caused by bathing, it is recommended to apply body lotion or ointment locally to supplement and moisturize the epidermal barrier of the skin.

3, while avoiding excessive sun exposure, you can apply sunscreen when you go out, which helps to protect the barrier of the epidermis. At the same time, control diet, foods rich in vitamin A, vitamin C and vitamin D, and minerals such as zinc, calcium, phosphorus and iron.