NEW Olaplex Olaplex Nº.4 Bond Maintenance™ Shampoo $30.00 The Nº.4 Bond Maintenance Shampoo, infused with patented OLAPLEX Bond Building Technology, is a highly concentrated reparative shampoo that hydrates and nourishes hair. Nourishes, moisturizes and smoothes your hair, leaving it soft, manageable,... Choose Options Add to Wish list Compare