The need for daily hair washing for patients with seborrheic dermatitis depends on the specific analysis, sometimes it is necessary to wash the hair every day, sometimes not every day, as follows: 1, need to wash the hair every day: seborrheic dermatitis of the scalp is manifested as a lot of oil on the scalp, and dandruff also increased accordingly, accompanied by scalp itching, especially in the hot summer, when you can wash the hair every day, and when washing the hair can be applied disulfide 2, do not need to wash your hair every day: if the seborrheic dermatitis of the scalp is not much oil, dandruff is not a lot, accompanied by red papules of the scalp, itching, but not in the hot summer, but in winter, it is recommended that patients wash their hair once every 3-5 days, and choose a mild shampoo, after washing the hair, you need to apply conditioner to nourish the hair, scalp, so that This can reduce hair loss. Therefore, for seborrheic dermatitis hair washing method, it is recommended that patients go to a regular hospital and find a professional dermatologist for consultation.