Olaplex No.9 Serum review: why it transformed my hair

The best Olaplex products and hair treatments

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Olaplex No.9 Serum review: why it transformed my hair

Beginner's guide to OLAPLEX: Transform your hair care

Olaplex No 9 Bond Protector Nourishing Serum 3 oz Seeing dull hair, tangles, or poor style retention? These could be signs of pollution or heat damage. Protect your hair from daily damage with this weightless, leave-in, silicone-free hair serum to shield hair from pollution for 48 hours and provide heat protection up to 450oF (232oC). With antioxidant-rich red algae extract and scientifically proven olaplex bond building technology.