★★★★★
“The quality of this product is unbelievable...I have frizz from breakage and some dull dryness from coloring and the shampoo and conditioner delivered on their promises and then some. My hair is so soft and smooth. Can't say enough how much I love these products.”
— Colleen
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No.4 Shampoo 2000mL Backbar

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Protects and repairs damaged hair, split ends and frizz by re-linking broken bonds. A highly-moisturizing, reparative shampoo that leaves hair easy to manage, shiny and healthier with each use.

Key benefits: 
- Repairs and maintains bonds within the hair 
- Eliminates frizz and flyaways 
- Reduces breakage 

If you want to know more… 
This shampoo repairs and protects hair from everyday stresses—including damaged hair, split ends, and frizz—by re-linking broken bonds. N°4 is color-safe and proven to reduce breakage and strengthen all types of hair. 

Suitable for all hair types.

- Paraben-Free
- Sulfate-Free
- Phthalate-Free

★★★★★
“The quality of this product is unbelievable...I have frizz from breakage and some dull dryness from coloring and the shampoo and conditioner delivered on their promises and then some. My hair is so soft and smooth. Can't say enough how much I love these products.”
— Colleen
View More Reviews ➞
Product Tip: A little goes a long way! Start with a quarter size squeeze and work your way up if needed.

THE OLAPLEX DIFFERENCE

Meet OLAPLEX, the single molecule that sets us apart and has forever changed the game of hair care. Developed by world-class material scientists, our unique chemistry is proven to dramatically repair, protect, and strengthen all hair types.

N°4 Bond Maintenance Shampoo

STRENGTHENS, RESTORES, AND REPAIRS

PROVEN SCIENCE

Before and After

Quick Tips

Learn more about the benefits and properties of the No.6 BOND SMOOTHER and how it can greatly improve your hair health, look, and feel.

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The Amazing Results