Incredible How Many Times A Week Should You Wash Your Hair References. Web people with coarse and afro hair should ideally wash their hair once every two weeks, or once a week at most, as this hair type is the most fragile people with. Straight hair is easily coated by sebum, which means it looks greasy much faster.

Generally, if your hair isn't greasy or dry, you should. Thick, wavy, or curly hair tends to be dry since the oil doesn’t coat the strands as easily. Designate one day a week for shampooing your hair.