Biolage ColorLast Shampoo is essential for maintaining colored-treated hair health and repairing damage. This nourishing shampoo protects hair from environmental damage and strengthens hair while hydrating.BenefitsLow pH shampoo for color treated hair helps prolong color vibrancyGently cleanses to prevent unnecessary stripping of colorParaben-freeSuitable for color-treated hair and non color-treatedClinical ResultsHelps preserve salon-vibrant color for up to 9 weeks**When using the professional products system of ColorLast shampoo and conditioner vs. a non-conditioning shampoo Suggested Use: Apply to wet hair and lather with a massaging motion. Rinse thoroughly. In case of contact with eyes, rinse them immediately. Biolage recommends that you pair the Colorlast Shampoo with Colorlast Conditioner to help maintain your color-treated hair. UPC: 000002273895 Weight: 0.61 lbs