[RECOMMENDED FOR COLORED HAIR] For color-treated and lightened hair. Lock in your day 1 color vibrancy for up to 100 days*. [SCIENTIFIC DISCOVERY - LOCKS DYES INTO THE FIBER] On day 1 of color, hair reflects the 5 dimensions of the color spectrum. But these dimensions evolve over time leading to washed and faded color results, sometimes with undesirable reflects. [PATENTED TECHNOLOGY] The Vitamino Color Spectrum system, formulated with Ferulic Acid + Citric Acid, helps to lock dyes in the fiber to lock in your day 1 color vibrancy up to 100 days*. After using the rinse-off mask, hair is +98% stronger**, +92% more hydrated** and +64% softer up to 72 hours***. [PROFESSIONAL FORMULAS] The Vitamino Color Spectrum system provides efficacy on the 5 color dimensions**** - Shine: Ultra high glass shine. - Saturation: Rich, vibrant colors. - Contrast: Optimal perception between multiple shades. - Tone: Unwanted reflects are neutralized. - Brightness: Level of brightness and darkness are well preserved. *Instrumental test with full Vitamino Color Spectrum system. **instrumental test after application of mask. ***instrumental test (72H) after application of mask. ****Instrumental test after full Vitamino Color Spectrum system after 4 weeks.