- - Olaplex No. 4 Bond Maintenance Shampoo

Protects and repairs damaged hair, split ends and frizz by re-linking broken bonds. A highly-moisturizing, reparative shampoo that leaves hair easy to manage, shiny and healthier with each use. What it does: This shampoo repairs and protects hair from everyday stresses-including damaged hair, split ends, and frizz-by re-linking broken bonds. N4 is color-safe and proven to reduce breakage and strengthen all types of hair. What else you need to know: Paraben-Free Sulfate-Free Phthalate-Free