Olaplex No.9 Bond Protector Nourishing Hair Serum 90mlOlaplex No. 9 Bond Protector Nourishing Hair Serum is a weightless, leave in styling serum rich in antioxidants. It protects from heat and pollution, improves style retention, and reduces tangles and static. Suitable for all hair types, this serum enhances shine and manageability without silicones. Key Features Heat protection up to 450F 232C 48 hour pollution protection Antioxidant rich serum Improves manageability for all hair types Promotes better