The Nº.9 Bond Protector Nourishing Hair Serum, infused with patented OLAPLEX Bond Building Technology, is a silicone-free antioxidant hair serum that instantly shields hair from pollution and protects against heat damage while adding satin shine and reducing static and tangles.

• Nº.9 Bond Protector Nourishing Hair Serum neutralizes free radicals and protects against pollution for up to 48 hours.
• Nº.9 Bond Protector Nourishing Hair Serum improves style memory and bounceback curls.
• Nº.9 Bond Protector Nourishing Hair Serum provides Heat protection up to 450ºF (232ºC) for a satin shine look.
• Nº.9 Bond Protector Nourishing Hair Serum reduces tangles and static.
• Nº.9 Bond Protector Nourishing Hair Serum is Silicone free, Sulfate free and PH balanced.