Trusted by professionals to give the best of nature for hair. BIOLAGE COLORLAST Conditioner with low pH, moisturizes to prolong color’s vibrant bloom while leaving hair soft and detangled.It is a paraben free conditioner powered by anti fading proderties of vibrant Orchid flower. Makes hair soft, detangled while maintaining the color depth, tone and shine. Keeps salon hair color vibrant for upto 9 weeks When using the system of COLORLAST shampoo, conditioner vs. a non-conditioning shampoo.