New Koleston Perfect with ME+: The outstanding professional hair coloring innovation for over 130 years. Koleston Perfect with ME+ is the first and only professional hair dye brand to incorporate groundbreaking technologies, Pure Balance Technology and ME+, both of which have been proven to deliver vibrant, rich colors with less damage, color after color, while ME+ reduces the risk of developing a new allergy to hair dye.

For individuals who do not have allergic reactions to hair dye - although the risk of developing a new allergy is reduced, the risk of an allergic reaction, which can be severe, remains. Always conduct an allergy test 48 hours before any coloring. Strictly follow the safety instructions. If your client has ever had an allergic reaction to hair dye, do not proceed with coloring. ME+ is included in certain shades of Pure Naturals, Rich Naturals, Vibrant Reds, Special Blonde, and Deep Browns from the Koleston Perfect brand.