Brand new. You will receive OLAPLEX No. 4 Bond Maintenance Shampoo No. 5 Bond Maintenance Conditioner 8.5 oz The Nº.4 Bond Maintenance Shampoo, infused with patented OLAPLEX Bond Building Technology, is a highly concentrated reparative shampoo that hydrates and nourishes hair. The Nº.5 Bond Maintenance Conditioner, infused with patented OLAPLEX Bond Building Technology, is a highly concentrated reparative conditioner that nourishes and hydrates hair without causing heaviness.