Introduction to Olaplex No.4 Bond Maintenance Shampoo Olaplex No.4 Bond Maintenance Shampoo, Olaplex burst onto the haircare scene in 2014 as the world’s first bond-building treatment system. Founded by two California-based chemists, Olaplex pioneered a revolutionary technology that repairs hair damage on a molecular level. Their patented active ingredient, bis-aminopropyl diglycol dimaleate, works to actively […]