The sebaceous glands of the scalp secrete too much oil, resulting in very oily hair, treatment methods are as follows: 1, pay attention to eat less sweets, sweet drinks, like chocolate, cream cake, ice cream, sweet snacks, etc., containing high sugar food and drinks, will lead to increased oil secretion; 2, avoid eating spicy, fried food, like potato chips, French fries, fritters, fries, are able to lead to the sebaceous glands of the scalp secrete too much oil, so that the hair appears Very oily state; 3, warm water washing can be more effective in removing grease, it should be noted that many people feel that the hair is very oily, when washing hair with hot water, in order to completely remove the grease, in fact, this is a misconception. Although overheated water can wash away the grease that appears, it will also harm the sebum film of the scalp at the same time. The sebum film is a protective film of the scalp itself, and if it is destroyed, it will easily lead to a dry scalp, and the sebaceous glands will reflexively secrete more oil, making the hair feel more oily.