L'Oréal Professionnel Serie Expert Vitamino Color Resveratrol Mask is a professional rinse-out hair mask specially designed for color-treated hair. Enriched with Resveratrol, a powerful antioxidant, it helps protect hair color from fading while deeply nourishing and repairing the hair fiber. The formula leaves hair softer, shinier, and more manageable while maintaining vibrant color for longer.