This Olaplex Bonding Duo combines The No.6 Bond Smoother and No.7 Bonding Oil for smooth, moisturised, and frizz-free hair for up to 72 hours. The No.7 Bonding Oil reduces drying time, tames flyaways, and provides heat protection up to 450°F.Patented OLAPLEX Bond Building technology repairs damage from heat, chemicals, and environmental factors, leaving hair healthier and more manageable. Perfect for damaged, dry, or frizzy hair types. Key Features Brand Olaplex Product Type Hair Treatment Duo Hair Type Damaged, Dry, Frizzy Heat Protection Up to 450°F Frizz Control Duration Up to 72 hours Technology OLAPLEX Bond Building Includes No.6 Bond Smoother, No.7 Bonding Oil Frequently asked questions .pu-faq[open]>summary .pu-faq-c{transform:rotate(180deg)} What is included in the Olaplex Bonding Duo?The duo includes Olaplex No.6 Bond Smoother and No.7 Bonding Oil. What hair types is this duo suitable for?It is designed for damaged, dry, and frizzy hair. Does the No.7 Bonding Oil provide heat protection?Yes, it offers heat protection up to 450°F. How long does the frizz control last?The No.6 Bond Smoother keeps hair frizz-free for up to 72 hours.