Olaplex No. 4 Bond Maintenance Shampoo 8.5 oz. Made without sulfates, parabens or gluten . Vegan. Color-safe.

A highly moisturizing, reparative shampoo that leaves hair easy to manage, shiny, and healthier with each use. This shampoo repairs and protects hair from everyday stresses—including damaged hair, split ends, and frizz—by re-linking broken bonds. No.4 is color-safe and proven to reduce breakage and strengthen all types of hair.