OLAPLEX No.4 Bond Maintenance Shampoo is a highly nourishing and reparative shampoo that gently cleanses while restoring internal strength and moisture balance to damaged hair. Infused with patented OLAPLEX Bond Building Technology™, it works at the molecular level to repair broken bonds.

Benefits:
- Repairs and maintains bonds within the hair.
- Reduces breakage and split ends.
- Improves shine, softness, and manageability.
- Hydrates and nourishes without weighing hair down.
- Paraben-free, sulfate-free, and safe for all hair types.

Main Ingredients & Their Benefits:
- Bis-Aminopropyl Diglycol Dimaleate: OLAPLEX’s patented bond-building ingredient that repairs broken disulfide bonds in the hair structure, restoring strength and elasticity.
- Cocamidopropyl Betaine: A gentle cleanser derived from coconut oil that effectively removes buildup while maintaining hair’s natural moisture balance.
- Sodium Cocoyl Isethionate: A sulfate-free cleansing agent that provides a rich, luxurious lather without stripping the hair.