More and more gray hair may be caused by physiological factors, hereditary factors, neurological factors, and so on, to consult the doctor for treatment in time to clarify the cause of the disease. 1. Physiological factors: More and more gray hair may be caused by physiological factors. With age, the melanin cells in the hair follicles gradually decrease, and the body’s metabolism slows down due to aging, which will lead to more and more gray hair. 2. Hereditary factors: more and more gray hair, may have a certain relationship with heredity. For example, if the parents suffer from hereditary whiteheads, the children will also have hereditary whiteheads, resulting in an increase in gray hair. 3. Neurological factors: more and more gray hair, may be due to excessive anxiety or depressed mood, life stress, work pressure or mental stress interfere with the production of melanin follicles, affecting hair growth, resulting in more and more gray hair. Need to pay attention to, gray hair more and more symptoms should be timely consultation, please doctor to clarify the cause of the disease, if necessary, the appropriate treatment, at the same time, pay attention to dietary modification, more supplemental micronutrients.