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No.4 Bond Maintenance Shampoo



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 colour-safe and proven to reduce breakage and strengthen all types of hair. 

PH Balance: 6-6.5


How - Use every time you shampoo, or after rinsing Olaplex no 3 from hair. Follow with Olaplex no 5 bond maintenance conditioner.

Where - Concentrate on roots.

When - Formulated for daily or every wash use.

For - All hair types, especially those needing clarifying or oil control.

Olaplex no4

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