It is possible for seborrheic alopecia to grow again in your twenties, but only if you undergo aggressive treatment. Seborrheic alopecia, also known as androgenic alopecia, is mostly due to the increase of androgen in the patient’s body, resulting in excessive sebum secretion, affecting the hair follicles and causing them to gradually shrink, thus resulting in hair loss. Therefore, seborrheic alopecia is not caused by the aging of hair follicles or diseases. When the secretion of androgens in the patient’s body is reduced, the hair can be regenerated through targeted treatment. At present, seborrheic alopecia patients mostly use topical medication, such as the use of minoxidil solution, can effectively reduce hair loss, stimulate the growth of new hair, for the short course of the disease, hair loss range of small mild patients with better results. For patients with severe conditions, oral medication is required to reduce hair loss and accelerate hair growth. Patients with seborrheic alopecia should actively cooperate with the doctor during the treatment, pay attention to maintain a regular routine, do not stay up late, and prohibit spicy and stimulating food.