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
Formulated for daily/ every wash use.
Size: 250 ml
Apply and massage product throughout hair.
Rinse product from hair.
Follow with Olaplex N°5 Bond Maintenance Conditioner (sold separately).
Ingredients may be subject to change depending on seasonal availability and other reasons. Please refer to the packaging for up to date ingredients listing.
They started by finding two of the world's leading PHD's in materials and chemistry that had never worked on hair products before.
With a fresh outlook, the dream team invented a single ingredient chemistry, that is free of silicone or oils, that links broken bonds in the hair during and after chemical services making them stronger than they were before.View Products
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