Olaplex N°4 Shampoo repairs and protects hair from everyday stresses — including damaged hair, split ends, and frizz — by re-linking broken bonds.

Olaplex No.4 - Bond Maintenance Shampoo - 1000ml
A highly-nourishing and reparative shampoo.
N°4 Shampoo repairs and protects hair from everyday stresses — including damaged hair, split ends, and frizz — by re-linking broken bonds. Leaves hair easier to manage, shinier and healthier with each use. N°4 is color-safe and proven to reduce breakage and strengthen all types of hair.

PH Balance: 6-6.5
Concentrate on roots. 
Formulated for daily or every wash use.
All hair types, especially those needing clarifying or oil control.

Free of DEA, Aldehydes and Formaldehyde.
How To

Use every time you shampoo and after rinsing OLAPLEX No. 3 Hair Perfector from hair.
Lather and rinse.
Follow with OLAPLEX No.5 Bond Maintenance Conditioner.

Tips: Lather the shampoo in hands before massaging into the scalp. This helps activate the surfactants & dissolve dirt and oil.