Beautifully groomed, sleek natural pure colour. The Koleston Perfect ME+ Pure Naturals shade family contains 33 shades to add lustre and shine to the hair while giving a perfect natural look. They're fantastic for covering grey or white hair (up to 100% coverage) and come in a full spectrum of colours from wonderfully light blonde through a range of brunettes to a glossy black. Koleston Perfect ME+ features breakthrough technologies ME+, reducing the risk of allergy by up to 60x, and Pure Balance which minimizes free radicals for purer colour results with less damage to hair. You mix and develop it exactly as for old-formula Koleston and it will give you the same great colour results. For best results mix 1:1 with new Welloxon Perfect of the appropriate strength (please note that Koleston Perfect ME+ cannot be mixed with old-formula Welloxon). Development time is 3040 mins (1525 mins with heat). Each shade is available in a 60 ml tube.