Sexy Hair SMOOTH Sexy Hair SMOOTH EXTENDER Nourishing Smoothing MASK for smooth results that last. This Smooth Sexy Hair line is infused with coconut oil and sulfate, gluten and paraben-free to help unruly or multi-textured hair stay and look smooth. With continued use, frizzy, wavy, and curly hair textures transform into smooth, shiny, and frizz-free hair that shines. A stylist favorite, there is a Sexy Hair collection for every hair type, texture, and styling need.