OLAPLEX Bond Maintenance Set revitalizes and strengthens hair with a patented formula. The set features the No. 3 Hair Perfector, No. 4 Bond Maintenance Shampoo, and No. 5 Bond Maintenance Conditioner. Working together, this system repairs damage while hydrating and protecting all hair types. Experience salon-quality results, leaving hair looking healthy, shiny, and strong. This trio helps maintain the integrity of hair, combating daily stressors for lasting resilience.