OLAPLEX No. 9 Bond Protector Nourishing Hair Serum in Beauty: NA. OLAPLEX No. 9 Bond Protector Nourishing Hair Serum in Beauty: NA. OLAPLEX No. 9 Bond Protector Nourishing Hair Serum is a leave-in, silicone-free hair serum to shield from pollution and heat that cause tangles, breakage, and static. OLAPLEX Bond Building Technology? is paired with potent, antioxidant-rich Red Algae Extract to nourish hair, block pollutants, and neutralize free radicals. See satin shine, style memory, bounceback curls, anti-tangle, anti-static action, and heat protection up to 450F.. Suitable for all hair types.. Vegan and cruelty-free.. Formulated without silicone, nut, parabens, phosphate, phthalate, sulfate, and gluten.. 90mL/ 3 oz. As the first step in your styling routine, apply a small amount to damp hair working upward from ends to roots. Use more as needed for longer, thicker hair.. Use alone or follow with No.6 Bond Smoother? for frizz control and/or No.7 Bonding Oil? for brilliant shine (both sold separately).. Air dry for a soft texture or blow-dry for a smooth finish.. OLAP-WU20. 20142284. Meet OLAPLEX. They're founded on the principle of doing everything others don't and are changing the world of hair based on this principle. OLAPLEX is a team of chemists, industry experts and innovators developing beauty products based on science. Their technology and products are patent protected, award winning, and are found in top salons worldwide.