A highly moisturizing, reparative shampoo that leaves hair easy to manage, shiny and healthier with each use. N°4 is color-safe, sulfate-free, and proven to reduce breakage and strengthen all types of hair.
PH Balance: 6-6.5
    • How To Use
1. Apply and massage product throughout hair. Start with a nickel-sized amount and adjust as needed.
2. Rinse product from hair.
3. Follow with Olaplex N°5 Bond Maintenance Conditioner (sold separately)

Use every time you shampoo. Follow with No.5 Bond Maintenance Conditioner for best results.
For additional information on mixing ratios & how to use OLAPLEX in other services, please visit http://education.olaplex.com