Olaplex No.4 Bond Maintenance Shampoo
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
How It Works
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.
Product Details
| Feature | Paraben-Free |
|---|---|
| Feature | Sulfate-Free |
| Feature | Phthalate-Free |
| Feature | Color-Safe |
| Feature | Suitable for all hair types |
FAQ
How does Olaplex No.4 shampoo repair hair bonds?
Olaplex No.4 shampoo works by re-linking broken bonds in the hair structure, which helps repair damage, reduce frizz, and strengthen hair over time.
Is this shampoo safe for colored hair?
Yes, Olaplex No.4 is color-safe and designed to protect and repair colored hair without compromising its hue.
Does it help with split ends?
Yes, by repairing broken bonds, this shampoo helps reduce the appearance of split ends and strengthens hair to prevent further damage.


Steven Robertson –
I’ve used this shampoo for three months now and notice my hair is smoother and less frizzy. It doesn’t feel heavy, and my color stays vibrant. My hair feels stronger after each wash.
Brandon Mathis –
After switching from a regular sulfate shampoo, my hair has become more manageable. I still have split ends, but they’re less visible. It’s a noticeable improvement in texture and shine.
Anne Gray –
The shampoo works well for daily use. I appreciate that it’s sulfate-free and doesn’t dry out my hair. It’s a bit more expensive, but the results are worth it.
Carolyn Turner –
My curly hair used to be very frizzy and prone to breakage. Since using this shampoo, it’s much more defined and holds its shape better. I feel like my hair is healthier overall.
Sebastian Howard –
I use it every other day and see a steady improvement in strength. It doesn’t leave hair feeling greasy, and my hair feels softer after washing.