Red itchy peeling skin on both sides of the nose may be caused by dry skin, or it may be caused by contact dermatitis, seborrheic dermatitis and other diseases. 1. dry skin: if the local skin is too dry, there will be red itchy skin peeling, is a normal phenomenon. 2. Contact dermatitis: contact dermatitis is a disease caused by skin contact with external substances, localized erythema, swelling, pimples, blisters and other changes, some patients will also appear itchy, peeling of the skin, which can appear on both sides of the nose. 3. seborrheic dermatitis: seborrheic dermatitis is a chronic inflammatory skin disease that occurs in seborrheic areas, commonly found on the head and face, localized erythematous rashes, accompanied by flaking, itching and other symptoms. Red itchy peeling skin on both sides of the nose has more causes, and patients are advised to seek medical examination for a clear diagnosis.