Hair and face love oil for a variety of reasons, may be related to seborrheic dermatitis, endocrine disorders, drug-induced and so on. 1. Seborrheic dermatitis: the exact pathogenesis is not clear, may be related to the proliferation of Malassezia, increased lipid secretion, immune response. Often manifested as the facial triangle easy oil, erythema, hair can be itchy, oily, flaking, and in severe cases can have seborrheic alopecia. 2. Endocrine disorders: acne, often eat fried, sweet and fatty foods, puberty and other endocrine disorders can lead to sebaceous gland secretion, if not cleaned up in a timely manner, the pores can not be discharged blocked oil will cause the skin, hair a lot of oil. 3. Pharmacogenetic: taking certain drugs, such as phenytoin sodium, chlorpromazine hydrochloride, etc. can lead to unbalanced oil secretion, resulting in skin and hair oil. It is recommended that patients with oily hair and skin go to the hospital when necessary to clarify the cause of the disease and follow the doctor’s instructions for standardized treatment.