Awasome Is It Better To Color Clean Or Dirty Hair References. It's also best to wash your hair the night before coloring—hair that's too clean or. False coloring hair while it is dirty stems from the idea that your hair’s oils will protect.

Web “it gives your colorist a better sense of how the color grew out and how much it’s oxidized. Dyeing wet hair can cause the color to be uneven and patchy. Web is it ok to go to a hair color appointment with greasy hair?