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 Wella's highest quality ingredients. Contains up to 25% conditioning agents and lipids for care and gentle-on-hair results.Endorsed by the Institute of Trichologists, the most important professional association for trichologists in the world and Winner of the SalonStar award in the color category for the 5th time in a row.