No.3 Bond Perfector is designed for at-home useHelps maintain hair integrity, softness, and shineProvides real, structural repair that works from withinMaintain strong, healthy-looking hair between salon visitsMore than a hair treatment, the Olaplex No. 3 Hair Perfector is a global bestseller that will provide incomparable results. This silky formula will maintain strength between salon appointments and reverse any form of damage to the hair, whether its caused by excessive heat-styling, chemicals from dying, or everyday wear-and-tear. Specifically designed for at-home use, our patented technology relinks broken disulfide bonds that fit any hair type. When used once a week either as a pre-shampoo or overnight treatment, this small and chic bottle will preserve a natural shine with real, long-lasting effects. Add in the Olaplex No. 4 Bond Maintenance Shampoo and Olaplex No.5 Bond Maintenance Conditioner, this creates the recipe for a hair-care routine that matches no other.