What causes unhealthy scalp hair follicles?

With age and environmental impact will naturally decline. What's more, if the scalp hair follicles are not taken care of, the hair follicles will continue to be damaged. If it is seriously damaged, it will lose hair and have more hair oil. So pay attention to the timely maintenance of hair follicles, so as to ensure that your hair follicles and hair can be healthy and the effect will not be bad.