Scalp white, hard hair, need to determine whether to suffer from folliculitis, ringworm, seborrheic dermatitis and other diseases. 1. Folliculitis: usually do not pay attention to scalp cleanliness and hygiene, sebaceous glands produce too much to block the pores, resulting in inflammation of the hair follicles, the color of the scalp may be white; treatment of folliculitis, if often dyeing and perming the hair or using irritating shampoos, it may lead to hard, dry hair. 2. Tinea capitis: Tinea capitis is caused by fungal infections, mainly including tinea alba, tinea nigra, tinea cruris, and tinea abscessus. Ringworm, for example, can lead to white scales on the scalp and hardened hair. 3. Seborrheic dermatitis: Seborrheic dermatitis can occur in seborrheic areas, the inflammatory reaction is prone to appear in the surface layer of the skin, if it occurs in the scalp can appear white greasy scales, and at the same time, due to the excessive secretion of sebum to make the hair hard, which may lead to white scalp, hair hard. It is recommended that patients with white scalp and hard hair should go to regular hospitals in time to get a clear diagnosis and standardized treatment under the doctor’s guidance, and at the same time, they should pay attention to keeping the scalp clean and dry in their daily life, and develop good living and dietary habits.