Hair two days on the oil may be due to physiological reasons, sebaceous gland secretion is more exuberant, unhealthy diet and other reasons, can be based on different reasons to use the general treatment, medication and other ways of treatment, for oily hair oil-control shampoo, you can reduce the head of excessive oil, to keep the hair clean. 1. Physiological reasons: people with naturally oily skin can also lead to more oil on the scalp, hair oil in two days, the temperature is too high can also lead to more oil on the skin scalp, timely cleaning of the scalp, you can use shampoos containing selenium disulfide to clean the scalp in a timely manner. 2. Sebaceous gland secretion is more exuberant: androgen secretion is exuberant can cause scalp oil increase, can take finasteride and other anti-androgen drugs to reduce scalp oil. 3. unhealthy diet: eating too much fried food or high-fat food can also cause increased scalp oil, need to eat a light diet, reduce the intake of spicy and stimulating food. Hair two days on the oil treatment more, need to go to the hospital for consultation, under the guidance of the doctor for treatment.