Olaplex No. 4 Bond Maintenance Shampoo (starting at $35 USD)

OLAPLEX Nº.4 Bond Maintenance® Shampoo

Strengthen. Hydrate. Repair. ✨

A highly concentrated, nourishing shampoo designed to repair everyday damage while strengthening and reinforcing the hair for a more resilient, healthier-looking appearance.

Powered by OLAPLEX Bond Building Technology™, Nº.4 gently cleanses without stripping essential moisture, leaving hair feeling soft, hydrated, smooth, lightweight, and noticeably more manageable. Its rich, luxurious lather helps nourish the hair while boosting shine and reducing the appearance of frizz and split ends.

Why You’ll Love It:

• 💪 Helps strengthen and reinforce damaged hair
• ✨ Repairs everyday damage and helps defend against future breakage
• 💧 Replenishes hydration without stripping
• 🫧 Gently cleanses while nourishing the hair
• 💫 Enhances shine and smoothness
• 🤍 Helps reduce the appearance of frizz and split ends
• 🌿 Suitable for straight, wavy, curly, and coily hair
• 🎨 Color-safe and suitable for chemically treated hair
• 🌱 Vegan and dermatologist tested
• 🚫 Free of SLS/SLES sulfates, parabens, and phthalates

How to Use:
A little goes a long way. Dispense a dime-sized amount into hands and emulsify. Apply to wet hair and massage into the scalp and lengths, working into a rich lather. Rinse thoroughly and follow with OLAPLEX Nº.5 Bond Maintenance® Conditioner or your preferred OLAPLEX mask. 

Pro Tip: Nº.4 is highly concentrated, so you don’t need a lot to create a rich, luxurious lather. For a complete repair-focused routine, pair it with Nº.3PLUS Complete Repair Pre-Shampoo Treatment weekly, followed by Nº.5 conditioner. 

Best For: Medium-to-coarse hair of all porosities that needs strength, hydration, nourishment, shine, and improved manageability.