Kérastase Bain Riche Chroma Shampoo. Chroma Absolu is the professional acid restoration care for colored hair. Formulated with amino acids, lactic acid and tartaric acid, the perfect combination of hydration, color and lasting strength. Protective and nourishing shampoo for coloured, sensitive or damaged hair. Its highly nourishing formula takes care of medium-thick hair, respecting and preserving its color. No sulfates. | A rich formula that purifies and nourishes the hair while deeply respecting the fiber to protect the color from fading. Nourishes hair up to +95%* and reduces porosity to maintain color longer. Maintains 92% of color intensity after 6 weeks**. Provides 65% more shine***. Transforms the surface of the fiber for immediate smoothness and reduces frizz.