Olaplex No.4 & No.5 Bond Maintenance Shampoo & Conditioner Set ✨ This is the perfect pair to repair, strengthen, and deeply hydrate all hair types. Both products are formulated with Olaplex's patented technology, which works to relink broken bonds in the hair. This leaves your hair feeling stronger, shinier, and healthier after every wash. This bundle includes: • Olaplex No.4 Bond Maintenance Shampoo • Olaplex No.5 Bond Maintenance Conditioner