Wella Professionals Koleston Perfect ME+ Pure Naturals, 60 ml, Permanent Hair Dye for Women, Wella Professionals Koleston Perfect ME+ Pure Naturals professional permanent hair dye represents a real breakthrough in the world of hair tints. Its unique formula with the innovative ME+™ and Pure Balance™ technologies will help you achieve a subtle, natural hair colour, even if your hair is completely grey. It also reduces the risk of hair damage and an allergic reaction during the colouring process itself. Characteristics: looks very natural perfectly covers greys (even when your hair is completely grey) gives your hair a beautiful shine helps you lighten your hair by up to 3 shades reduces the risk of damage reduces the risk of allergic reaction during colouring Ingredients: Pure Balance™ technology – reduces the risk of hair damage during colouring ME+™ technology How to apply: Mix the hair dye in your selected shade with the activating emulsion (not part of the kit). For best results, use the product with the Welloxon Perfect activator. Which type of activating emulsion should you use for: lightening by 3 shades → 12% 40 Vol. oxidant lightening by 2 shades → 9% 30 Vol. oxidant lightening by 1 shade or darkening/maintenance of the original shade with grey coverage → 6% 20 Vol. oxidant darkening/maintenance of the original shade without grey coverage → 4% 13 Vol. oxidant Caution: This is a professional hair dye which is intended for use in hair salons. The resulting colour always depends on the type and condition of the hair.