Our Keratin collection offers weightless smoothing while moisturizing, conditioning and protecting hair. A daily use of keratin enriched conditioner enhances shine, improves elasticity, and infuses your hair with natural keratin bonds, leaving your hair clean and protecting your hair from heat styling damage. Leaves hair tangle-free and will not weigh your hair down. Used together, keratin shampoo and conditioner maintain your most beautiful look. Keratin will not strip hair or cause buildup. Sulfate and paraben-free.