tem Description? Low pH shampoo for color-treated hair helps prolong color vibrancy Gently cleanses to prevent unnecessary stripping of color Paraben-free formula is suitable for color-treated hair. Low pH Conditioner moisturizes hair, extending the life of your color Hair is left soft and detangled with extra shine and depth of color Color-treated hair often loses it's color and luster over time. Inspired by nature's fade-defying orchid, Biolage Colorlast Conditioner helps maintain the color depth, tone and shine for vivid color-treated hair. Give her hair salon-vibrant color for up to 9 weeks.