What It Is:A highly moisturizing, reparative conditioner that protects and repairs damaged hair, split ends and frizz by re-linking broken bonds.What It'S For:All hair types.What It Does:- Leaves hair easy to manage, shiny and healthier with each use- Leaves hair stronger than ever- Repairs hair and maintains bonds within the hair- Adds shine - Color-safeFree Of...- Parabens- Sulfates- Phthalates- Gluten- Animal byproducts (vegan-friendly)How To Use It:After using Olaplex No.4 Bond Maintenance Shampoo, apply a generous amount from scalp to tip. Leave on for three minutes, then rinse.About The Brand:Olaplex features first-of-its-kind, patented, bond-building technology, which relinks the broken disulfide bonds caused by chemical, thermal and mechanical damage to the hair. This formula works with every hair type, providing real, structural repair that works from within. Olaplex is devoted to developing sustainable products with environmental, social, and economic benefits while protecting public health and the environment.Olaplex products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacy.