Olaplex No.9 Bond Protector Nourishing Hair Serum

Protect your hair from daily damage with this weightless, leave-in, silicone-free hair serum that shields hair from pollution for 48 hours and provides heat protection up to 450°F (232°C). This hair serum is enriched with antioxidant-rich Red Algae Extract and scientifically proven OLAPLEX® Bond Building Technology™ to keep your hair healthy and strong. Use a small amount of this hair serum on damp hair, working upward from ends to roots, as the first step in your styling routine. This hair serum is perfect for all hair types and lengths.