Scalp oil is serious may be affected by hormones, genetic factors, lifestyle habits. 1. Hormone influence: in the adolescent population, the body androgen secretion is more vigorous, sebaceous glands increase, scalp secretion oil more, scalp oil phenomenon will be serious. 2. Genetic factors: parents of scalp sebaceous glands are more developed, the child affected by genetic factors, the secretion of oil will be more, hair more oily. 3. Life habits: often love to eat some greasy, high sugar food, will stimulate the sebaceous glands secretion of oil, thus aggravating hair oil. Scalp oil is serious, it is recommended to clean up in time, light diet, reasonable exercise, such as oil condition is more serious, it is recommended to go to the dermatology department under the guidance of a professional physician treatment.