The New Olaplex NO 9 Bond Protector Nourishing Hair Serum is a weightless, leave-in styling serum that’s rich in antioxidants to help protect from pollution, heat, and future damage from environmental factors. Promotes shine and healthy bounce back curls with anti-static and anti-tangle action. Can be used on clean, damp hair and reapplied between washes.

Perfect for all hair types, this antioxidant-rich, silicone-free styling serum shields strands from pollution, heat, and future damage by supplying nourishment, blocking pollutants, and neutralizing free radicals. Excellent for straight, wavy, curly, and coily hair. Suitable for fine, medium, or thick hair textures.

Delivers shine, style retention, and bounce, reduces tangles and static and protects against environmental aggressors and heat. Helps to repair split ends, breakage and damage caused by heat

Clinical Results: In an independent-lab study, after hair was exposed to 2 cycles of pollution, with 90% to 99% of particle-size pollutants found in nature:
- It shielded hair from pollution for 48 hours