DVD Included. Steam and natural ions create smooth and shiny hair with 30% longer-lasting results! Adjustable Steam- deep conditioning ionic steam infuses hair with healthy moisture to create shine and longer-lasting results. Contour Design- for ease of use. Retractable Comb- detangles hair for smoother glide, 3 positions: no comb, medium, and long comb. Silicone Heat Mat- protects appliance and counter from scratches and heat.