A rough and frosted face is caused by dry facial skin with a variety of factors. There are a variety of reasons, such as physiological factors, allergic factors, seborrheic dermatitis and so on. 1. Physiological factors: dry skin itself, seasonal changes, improper skin care or excessive cleaning, may lead to the surface of the facial skin roughness, lack of oil. 2. Allergic factors: long-term use of hormonal creams or cosmetics containing hormones on the face, allergy to a component of the cosmetics used, can also cause roughness and peeling of the skin. 3. Seborrheic dermatitis: If the face appears rough and accompanied by slight itching, itching skin surface to see obvious dryness, peeling, then consider seborrheic dermatitis. Suggestions can first stop using all kinds of cosmetics and cleansers, wash your face with warm and cool water, use mild moisturizing products, such as petroleum jelly, etc., go out and pay attention to sunscreen stimulation, if necessary, to the dermatology department for relevant examinations.