Olaplex No.3 Hair Perfector is a revolutionary at-home treatment that repairs and strengthens damaged hair. This professional-grade formula uses patented bond-building technology to restore hair structure, reduce breakage, and improve overall hair health. It works on all hair types and is not a conditioner but a pre-shampoo treatment. Key features: • Bond building technology repairs damaged hair • Reduces breakage and strengthens hair structure • Works on all hair types • Vegan and cruelty-free formula • Professional-grade treatment • pH balanced formula • Pre-shampoo treatment Apply generously to damp, towel-dried hair from roots to ends. Comb through and leave on for a minimum of 10 minutes before shampooing and conditioning. For best results, use 1-3 times per week depending on hair damage level. The product is free from parabens, sulfates, phthalates and is safe for color-treated hair. For maximum benefits, use as part of the complete Olaplex system.