Nº.9 Bond Protector Nourishing Hair Serum

Take a deeper look at how pollution causes hair damage and how the Nº.9 works to shield hair from pollution for 48 hours.

Watch how OLAPLEX Nº.9 adds shine, softness, style memory and bounceback curls to different hair types and textures.

Learn how to use our new leave-in serum to protect your hair from pollution and heat.

Our patented bond building technology is included in every one of our products. Learn how it repairs all hair types, from the inside out.