Matrix Biolage ColorLast Purple Shampoo & ColorLast Conditioner 33.8 oz Set Colorlast Purple Shampoo is a game changer on the neutralizing shampoo market for unbelievable results. The encounter of pure purple pigments + fig and orchid to keep your blonde healthy and conditioned. Use to maintain and boot the coolness of blondes while neutralizing brass and yellow tones. ColorLast Conditioner: Color-treated hair often loses its 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.