Olaplex 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. Olaplex N??4 is colour-safe and proven to reduce breakage and strengthen all types of hair.

Olaplex No. 4 Bond Maintenance Shampoo formula is colour-, sulphate-, paraben-, gluten-, and nut-free, and is vegan-friendly. PH Balance: 6-6.5

How to use:

Use as your shampoo to enhance weekly treatment and follow with Olaplex No. 5 Bond Maintenance Conditioner.