Olaplex Shampoo & Conditioner Supersize Duo with the Olaplex No.4 Bond Maintenance Shampoo and No.5 Bond Maintenance Conditioner in generous 1L sizes. These products use bond-building technology to tackle all types of damage, from heat styling to environmental factors. This powerhouse duo restores, repairs, and hydrates hair without weighing it down. The patented OLAPLEX Bond Building technology, with Bis-Aminopropyl Diglycol Dimaleate, strengthens and protects hair on a molecular level, delivering immediate results for all hair types. Achieve stronger, more resilient hair with Olaplex!