How does white spot cause pityriasis?

White pityriasis is also known as pityriasis simplex. The reasons for causing facial white spots are from many aspects. It is good for children. It is related to sun exposure, dry facial skin, excessive cleaning, improper diet and lack of certain nutrients. It is necessary to strengthen the repair of skin barrier. Daily care is based on moisturizing care. It is recommended to use medical skin care products to repair damaged skin barrier. In weekdays, you need to eat more green vegetables. You cannot eat partial food. Balance dietary structure. And pay attention to sunscreen and moisturizing care as the basis, the use of warm water cleansing, timely coating moisturizing lotion, in white spots can be coated with pimecrolimus cream.