Twenty years old hair loss baldness is great is usually seborrheic alopecia, can use topical drugs, oral medication and other treatments, but also for hair transplantation and so on. Seborrheic alopecia is mainly concentrated on the top of the head, mainly associated with androgen secretion abnormalities. It can be treated with topical medications, such as topical minoxidil, etc. When seborrhea is severe, selenium disulfide lotion can be used. In addition, oral medication can be used, such as oral finasteride for men and spironolactone for women. If the baldness is serious, you can also choose to undergo hair transplantation treatment and so on. If the twenty-year-old hair loss baldness is strong, it is recommended to go to the hospital in time for examination, the use of the above drugs should follow the doctor’s instructions.