PurposeColour-treated hair needs differing care to its non-treated counterparts, and Matrix Biolage Colorlast Conditioner fulfils all its bespoke needs to keep hair at its most vivid and gorgeous. Paraben free, its healthy formula ensures that the detangling and softening process doesn"t dull colour, instead bringing extra shine and depth to any shade. A conditioner with clout, it takes a leaf from how plants can retain colour in the face of environmental damage in order to maintain the very best tone for up to nine weeks. MethodAfter Colorlast Shampoo, apply Matrix Biolage Colorlast Conditioner to wet hair. Leave in 1-3 minutes. Rinse thoroughly. Why it worksMatrix Biolage Colorlast Conditioner is formulated and designed at every level to be as effective in its role as possible, all while bringing out the best in colour treated hair. Using the colour retaining powers of Orchid as part of its healthy arrangement of ingredients, the conditioner works in an effective but gentle manner to minimise the risk of colour reduction. A low pH level achieves similar, ensuring maximum vibrancy is achieved and maintained long after usage.