Kerastase Masque Vert Chroma Neutralisant Hair Mask

Dark brunette tone perfecting hair mask for color treated hair. This 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. Instantly neutralize red undertones for a cooler dark color Fiber is 53% stronger with reduced breakage*