Chroma Absolu - Masque Vert Chroma NeutralisantThis color correcting hair mask neutralizes unwanted red undertones for a deep, cool brunette hair color. Ideal for darker color treated hair, this mask hydrates and strengthens the hair fiber to prevent future breakage. Note: Do not use on blonde lightened hair colors. Features amino acid to reinforce weak hair and rebuild the fiber from the inside out and centella asiatica, a flowering plant with soothing and recovery properties. HOW TO USE: Use