Koleston Perfect, the professional hair product that sets the standard for expertise and creativity in hair colour. Trusted daily in over 100,000 salons worldwide to deliver predictable colour results and supreme hair care thanks to our highest quality ingredients. Up to 100% grey coverage with root to tip evenness. Contains 25% conditioning agents and lipids for care and gentle-on-hair results. Up to 66% more shine compared to untreated hair. A mixing ratio of 1:1 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 For professional use