What is it: Tinted Hair Colour Treatment Best for: Coloured or non-coloured hair. O&M CLEAN.tone helps to keep your hair colour looking fresh, nourished and shiny like you have just visited your colourist. BEIGERecommended to help maintain natural warmth in light blonde to lightest blonde hair. Helps to prevent blonde ends from whitening out. Recommended for hair colour levels 8-10.