What it is: A velvety, leave-in styling treatment that provides up to 72 hours of frizz control, smoother blow-dries and defined air-dries. Who it's for: All hair types and textures, including colored, chemically-treated and gray hair.What it does: The styling treatment makes blow-drying strands quick and easy, and it helps keep your hair frizz-free on days you let it air dry. No.6 Bond Smoother features patented OLAPLEX Bond Building Technology?to repair broken hair bonds. This styling treatment smoothes, strengthens, and protects hair from everyday damage and chemical services. Now in a nothing-left-behind airless pump. Made in the USA