Product Overview You should never allow colour-treated hair to lose its intensity. We recommend this shampoo to help protect your hair's colour vibrancy in its most perfect state for stunning results. Benefits This Kérastase shampoo preserves colour depth & shine, while protecting against anti-oxidant aggressors & premature colour fading. Hair fibre looks polished from root to tip for maximum light reflection & shine. Key Technology Zinc Gluconate captures & locks colour deep within the hair fibre by creating strong ionic bonds. Linseed Oil repels water to polish & smooth hair, providing shiny, glossy tresses. In addition, Vitamin E & UV filters help fight against premature colour fading.