Olaplex No.2 Bond Perfector is a professional-grade bond multiplying treatment that repairs and strengthens damaged hair bonds. Used as the second step in the Olaplex system, it helps restore hair structure after chemical processing like coloring or lightening. Key features: • Professional bond multiplying formula • Repairs broken hair bonds • Strengthens hair structure • For use after chemical treatments • Part of the Olaplex professional system • 100ml/3.3 fl oz size This product is for professional use only and should be applied after chemical processing is complete. Apply liberally to damp hair, comb through thoroughly, and leave on for 10-20 minutes before rinsing. Can be used as a standalone treatment or as part of the complete Olaplex system. The active ingredient works by finding and relinking broken disulfide bonds in the hair. Not a conditioner - this is a professional bond rebuilding treatment.