Koleston Perfect is the first professional hair color brand to feature breakthrough technologies boasting: - Pure, balanced color results with natural depth and shine - ME+, up to 60x less likely to develop a new allergy to hair color* - 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 COLORANTS Although the risk of developing new allergy is reduced, there remains a risk of allergic reaction that can be severe. Always ask your stylist to perform an Allergy Alert Test 48h before each coloration. Strictly follow safety instructions and consult www.wella.com/kolestonperfect. If you have ever experienced an allergic reaction to hair colorants, you should not color. ME+ is present in specific shades of Pure Naturals, Rich Naturals, Vibrant Reds, Special Blondes and Deep Browns of the Koleston Perfect brand. **. Valid for Koleston Perfect with Pure Balance Technology.