Hair oil is related to living habits and eating habits. The skin on the surface of the body includes skin appendages, and skin appendages include sebaceous glands, and sebaceous glands and hair follicles form an organic whole called follicular sebaceous units. The scalp is the part where the hair follicle sebaceous glands are distributed very much, so the scalp is the hardest hit area for oil. Frequent consumption of spicy and stimulating food and fried food will lead to excessive oil secretion, which in turn will affect the health of the hair follicles and cause the scalp to become oily. If there are often stay up late, irregular life and other bad habits, it will make the sebaceous glands secrete more oil, making the hair more oily. Many people are in a long-term high-pressure state, accompanied by mental anxiety, anxiety will also make the scalp secrete more oil, these are the common causes of scalp oil. Pay attention to avoid spicy, stimulating, greasy and other junk food, eat more fresh vegetables, fruits, timely vitamin supplementation, and at the same time to quit bad habits, to go to bed early and get up early, choose a refreshing oil-control shampoo, can effectively relieve the symptoms of head oil.