This is the perfect grey. Purple undertones will neutralize unwanted warmth leaving a true ash. It can be used by itself or create more of a metallic tone to the other colours.
Shadow will work on hair levels 7-10. Colours can range from a light silver to a dark ash blonde.This product is a direct dye and meant to be mixed with a clear hair mask. One bottle of pigment can create 3-6 coloured masks depending on the hair level. The tone will last 5-15 washes.