Keeping your hair clean is a necessary step to obtain natural and healthy hair. Expert-provenExpert-proven science implies that your scalp can store dirts and impurities including polluted carbon particles. These bits can be damaging and unhealthy for your hair growth and eventually cause fallout. To keep out impurities from your scalp, it is important to keep a regular washing schedule. Deciding how often you are supposed to wash your hair is personal and depends on your hair type, daily life-style and other common factors. Our expert recommendation would be to wash your hair at least once a week.