A reparative; nourishing hair serum.Take the hassle out of hair repair with the Olaplex No.9 Bond Protector Nourishing Hair Serum. This weightless; leavein antidamage hair shielding serum helps to protect your hair from daily damage from heat and pollution. Lasting up to 48 hours and protecting your hair from heats of up to 232°C; this serum is enriched with antioxidantrich Red Algae Extract and scientifically proven OLAPLEX® Bond Building Technology™; leaving you with satin shine; softness and hair that is free of tangles and static. Need we say any more? Suitable for all hair types and textures Find the right OLAPLEX product for your hair here OLAPLEX products are thoroughly tested in accordance with industry standards inhouse and by independent thirdparty laboratories for safety and efficacy.