Shield strands from heat damage and daily environmental aggressors with OLAPLEX's Protect collection. Levelling up your safeguarding routine, OLAPLEX's Protect range includes the iconic No.7 Bonding Oil, No.9 Bond Protector Nourishing Hair Serum *and* No.6 Bond Smoother. Plus, powered by the brand's patented Bond Building Technology, each hair enhancer ensures your locks look silky smooth and super shiny.