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Hair is shinier and healthier after every wash when you reach for Olaplex’s moisturising, pH-balanced reparative No.4 formula. This colour-safe and sulfate-free shampoo repairs and maintains bonds within the hair, fights frizz and flyaways, and is proven to reduce breakage and strengthen all types of hair. No.4 leaves tresses easy to manage and lustrous.

Olaplex #4 shampoo