Lasting color starts with healthy hair. Moroccanoil Color Continue Shampoo helps improve haircolor retention by restoring hair's integrity with each and every use. This gentle, sulfate-free cleanser is formulated with COLORLINK, our groundbreaking technology that repairs each strand both physically and chemically in three ways: 1. Rebuilds the hair's keratin structure, locking color within 2. Forms a protective shield to minimize color washout 3. Uses ArganID technology to infuse argan oil into the hair's cortex, sealing and repairing the hair