Olaplex No.6 Bond Smoother. Unused unopened. What it is: A reparative leave-in styling treatment infused with bond building technology to strengthen and protect hair from everyday damage and chemical services. It also promotes faster blow dries and has up to 72 hours of frizz control Hair Type: Fine, Medium, and Thick Hair Texture:Coily, Curly, Straight, and Wavy Hair Concerns: - Frizz - Straightening and Smoothing - Curl Enhancing Key Benefits: - Up to 72 hours of frizz control - Faster blow-dries - Frizz-free air-dries