Hair often oil consider is androgen secretion increase, oily skin, seborrheic dermatitis and other reasons, according to the cause of the selection of appropriate treatment, including enhanced care, medication and so on. 1. Increased secretion of androgens: increased secretion of androgens can lead to increased secretion of scalp oil, men can take oral finasteride and other anti-androgen drugs, women can take oral spironolactone, and need to wash the scalp in time. 2. Oily skin: some people are born with sebaceous gland secretion is more exuberant, so the skin is more oily, the hair will also be more oily, this situation should be to maintain a light diet diet, in addition to frequent hair washing, you can choose to go to the oil effect of the better shampoo. 3. Seborrheic dermatitis: Malassezia colonization will produce free fatty acids, stimulate the skin to produce inflammation, you can choose selenium sulfide lotion to wash your hair, you can also choose sulfur and salicylic acid preparation treatment. Hair often oil can go to the hospital for examination, clear cause, for treatment, usually pay attention to personal hygiene, diligent hair washing and diligent bathing. The above medication should be used under the guidance of a doctor, avoid self-medication.