Scalp chaffing is actually a clinical manifestation of seborrheic dermatitis of the skin or scalp. It is characterized mainly by dandruff, so it can be said to be similar to dandruff. Scalp chafing is actually seborrheic dermatitis, but seborrheic dermatitis is not always characterized by dandruff, so there is a difference. But usually this kind of dandruff is mainly the manifestation of seborrheic dermatitis, seborrheic dermatitis, some are accompanied by obvious symptoms of dandruff, and even the appearance of hypertrophy or overgrowth of the epidermal scales, similar to asbestos, so it is also called asbestos chafing rash.