Experience hair health like never before with Olaplex No.9 Bond Protector Nourishing Hair Serum! This life-changing silicone-free serum instantly shields hair from environmental stressors such as pollution and heat damage, adding extra satin shine and reducing static and tangles. With patented OLAPLEX Bond Building Technology, you can trust that your hair will feel nourished and revitalized with every use. Try it today!