KOLESTON PERFECT - OUR PUREST PERMANENT HAIR COLOUR EVER WITH ME+ TECHNOLOGY ME+ is the superior colour technology of the future. It is the only oxidative permanent hair dye molecule to replace PTD and PPD that reduces the risk of developing a new allergy to hair colour* while delivering uncompromised colour performance. Koleston Perfect is a permanent colour range used with Welloxon Perfect Developers NEW 4%, 6%, 9%, 12% and 1.9% Welloxon Perfect Pastel for pastel toning. The range; Pure Naturals, Rich Naturals, Vibrant Reds, Deep Browns, Special Blondes & Special Mix. Simplicity of application and an absolutely reliable color result; Lighten, Darken or Change Tone. Vibrant Reds, for expressive long lasting vibrant red results. Special Mix for creative colour mixes, to intensify a shade or to correct a tone. Special Blondes for high lift results. Koleston Perfect is the first professional hair colour brand to feature breakthrough technologies boasting: Pure, balanced colour results with natural depth and shine ME+ reduces the risk of developing a new allergy to hair colour* Reduce the formation of free radicals for irresistible hair quality** Simple 1:1 mixing ratio Up to 100% grey coverage Up to 5 levels of lift * FOR PEOPLE NOT ALLERGIC TO HAIR COLOURANTS