Health & Beauty > Hair > Treatment.Brand : Olaplex.Olaplex No.3 Hair Perfector 1 oz, Travel Size.The No.3 Hair Perfector, infused with patented OLAPLEX Bond Building Technology, is a pre-shampoo treatment that is proven to repair and strengthen hair from the inside out. Use the No.3 Hair Perfector alone or paired with OLAPLEX No.0 for maximum at-home repair.Reduces breakage, visibly strengthens hair.Repairs and protects deep within the hair strands.Restores healthy appearance and texture.How to useApply to damp hair from root to ends.Leave on 10 minutes for maximum efficacy. Rinse thoroughly.For best results, cleanse with OLAPLEX No.4 Bond Maintenance Shampoo and OLAPLEX No.5 Bond Maintenance Conditioner.Color safe and sulfate free..