Washing your hair everyday strips it of its natural oils, with shampoo acting as a detergent not only does it strip all of the dirt and build up from your hair styling products. But it strips the oils that your scalp produces for the health of your hair. Shampooing everyday can leave your hair drier and brittle and more prone to breakage and split ends.
Color fades faster! Although many toners eventually wash out, the best way to preserve your color and preventing it from looking faded or brassy is to wash less often.

wow good to know!