OLAPLEX No. 4 Bond Maintenance™ Shampoo is a reparative, sulfate-free cleanser designed to gently cleanse while repairing and strengthening damaged, color-treated, or chemically processed hair. As part of the OLAPLEX Bond Building System, it helps restore hair’s integrity, moisture balance, and shine with every wash.

Key Benefits:

✔ Repairs & Strengthens – Features OLAPLEX’s patented Bond Building Technology (Bis-Aminopropyl Diglycol Dimaleate) to target and repair broken disulfide bonds in the hair structure.
✔ Gentle Yet Effective Cleansing – Sulfate-free formula removes impurities without stripping natural oils or fading color.
✔ Intense Hydration – Enriched with moisturizing ingredients to prevent dryness, frizz, and breakage.
✔ Improves Hair Resilience – Helps protect against future damage from heat styling, chemical treatments, and environmental stressors.
✔ Adds Shine & Softness – Leaves hair smooth, manageable, and noticeably healthier with regular use.

How to Use:

1. Wet hair thoroughly.

2. Apply a small amount of No. 4 Shampoo and lather from roots to ends.

3. Massage gently, then rinse.

4. Follow with OLAPLEX No. 5 Conditioner for best results.

5. For deep repair, pre-treat with OLAPLEX No. 3 Hair Perfector before shampooing.