Revive weak, brittle hair with the Olaplex No.4 Bond Maintenance Shampoo, a nourishing cleanser designed to repair split ends, reduce breakage, and strengthen hair with every wash. Powered by patented Bond Building Technology, it targets damaged bonds in the hair structure, leaving strands resilient, hydrated, and full of life.

Perfect for color-treated, bleached, or heat-damaged hair, this shampoo cleanses deeply while restoring moisture—without weighing hair down. Use it daily or on wash days as part of your Olaplex haircare routine for visibly healthier, stronger locks.

Key Benefits:

• Repairs and protects damaged hair bonds

• Reduces breakage and split ends

• Hydrates without heaviness

• Safe for daily use on all hair types

Suitable for all hair types, including chemically processed and high-heat-styled hair. Pair with Olaplex No.5 Conditioner for maximum repair and shine.