Hair can grow back after seborrheic alopecia is cured. Seborrheic alopecia is a skin condition that occurs mainly in young and middle-aged people. It is often accompanied by some itching of the scalp, as well as much oil or flaking, and the scalp gradually falls off. At present, it is mainly related to the high level of androgens in the body, genetic factors are also some of the main causes, including excessive use of the brain or mental tension, is also an important factor in causing the disease. At present, the treatment of seborrheic alopecia is recommended for early detection and early treatment. Most local treatment 2%-5% minoxidil solution topical application of the affected area, the general course of treatment takes 3-6 months. Oral medication is mostly used finasteride tablets, 1mg per day, adhere to the treatment of hair can grow out, so after the appearance of seborrheic alopecia, to early detection, early treatment.