The Chroma Absolu Thermique Hair Serum for Coloured Hair is a multi-functional serum that protects & smooths damaged or sensitized colour treated hair. Its moisturising formula cares for colour treated hair while intensely shields against environmental aggressors like UV, humidity and heat. Also can be used as a heat protectant for coloured hair with 230C thermo-protection. Smooth and protect your hair now with Krastase’s serum for coloured hair.