No.4 Bond Maintenance Shampoo
A highly-nourishing and reparative shampoo that leaves hair easier to manage, shinier and healthier with each use. It 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. PH Balance: 6-6.5
Protects hair from everyday stresses. Re-linksbroken bonds. Repairs damaged hair, split ends, and fights frizz. Proven to reduce breakage and strengthen all hair types. Colour-safe.
- Compatible with all colours and treatments
- Benefits all hair types and textures
- Re-links broken bonds in strand fibres
- Free of silicones and oils
- Produces incredibly healthy hair
- Protects hair from everyday stresses
- Proven to reduce breakage
- Leaves hair stronger than ever
USAGE GUIDELINES Treat hair with Olaplex no. 3 and rinse. Apply and massage the No. 4 product throughout the hair. Rinse product from hair. Follow with Olaplex No. 5 Bond Maintenance Conditioner.





