The Chroma Absolu Masque Vert Chroma Neutralisant by Kérastase is the perfect colour mask for dark brunettes. It is formulated for sensitised or damaged colour-treated hair and neutralises any red undertones with red and blue pigments. Its nourishing formula restores luminosity, shine and moisture. At the same time, this special mask minimises frizz and improves hair manageability. For hair that is supple, healthy-looking and shiny.