Quick view Olaplex Olaplex No.4 Bond Maintenance Shampoo, 8.5 Fl Oz MSRP: $22.99 The Nº.4 Bond Maintenance Shampoo, infused with patented OLAPLEX Bond Building Technology, is a highly concentrated reparative shampoo that hydrates and nourishes hair.Promotes scalp health from... MSRP: $22.99 Add to Cart The item has been added Add to Wish list