The Olaplex No.4 Bond Maintenance Shampoo & No.5 Conditioner kit is a dynamic duo designed to transform your hair care routine. The No.4 Bond Maintenance Shampoo gently cleanses while actively repairing and strengthening hair bonds, promoting healthier and more resilient strands. Paired with the No.5 Conditioner, which deeply nourishes and hydrates, this kit revitalizes your hair, leaving it silky, shiny, and visibly rejuvenated. Experience the power of salon-quality care in the comfort of your own home with this essential Olaplex duo. New. 3.3 oz/ bottle.