The Vitamino Color Spectrum Shampoo from L'Oréal Professionnel has been specially developed for color-treated hair. Enriched with ferulic & citric acid, it helps to lock in the color pigments in the hair and thus maintain the brilliance in all 5 color dimensions.* The result: 1. shine: ultra-strong glass shine 2. vibrancy: rich colors 3. contrast: optimal depth of color tones 4. hue: no unwanted reflections 5. luminosity: light & dark tones are revitalized The formula with a luxurious, creamy texture cleanses the hair fiber thoroughly and ensures instantly strengthened & nourished hair. *Instrumental test: after four weeks of using the complete Vitamino Color Spectrum routine. Application: Apply evenly to wet hair. Lather until a rich lather is created. Rinse thoroughly. Follow with Vitamino Color Spectrum Deep Conditioner and Glass Shine Serum. If required, use the mask for extra softness. Pro tip: Use the Neutralizing Shampoo at least once a week instead of your usual shampoo. Choose the shampoo according to the hair color: Purple Dyes for blonde hair, Blue Dyes for light brown hair, Green Dyes for dark brown hair. Instructions for use: 1. open the sachet by twisting the cap. 2. pour into the empty original bottle without washing it out first. Do not wash the pump and protect it from contamination. Safety instructions: Please follow the safety instructions on the product.