L'Oréal Professionnel Serie Expert Metal DX Shampoo is a specialized cleansing solution designed for color-treated and highlighted hair exposed to environmental stressors. This professional-grade formula neutralizes unwanted metallic tones and oxidative residues that accumulate from pollution, chlorine, and hard water exposure. The 1500ml salon size delivers extended value, making it ideal for regular use in professional settings or by dedicated home users. Enriched with chelating agents, it gently removes mineral buildup while maintaining hair integrity and color vibrancy. The shampoo prepares hair for optimal treatment efficacy, ensuring your color investment remains vibrant and protected against environmental damage.