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