Color-treated hair can fade and lose it’s luster over time. Inspired by nature’s fade-defying orchid, Biolage Colorlast Shampoo helps maintain the color depth, tone and shine for vivid color-treated hair. Give her hair salon-vibrant color for up to 9 weeks*. (*When using the system of Colorlast shampoo and conditioner vs. a non-conditioning shampoo. Forget about de-saturated color. These state of the art formulas, inspired by nature, help protect hair, balance moisture and even out the hair’s surface for saturated, shiny, vibrant color that stays truer.