The Sylkvia Tangle-Free Curling Iron Brush and Volumizer has special combs that retract with the push of a lever. You get a curling iron / wand , volumizer, and straightening brush in one tool! The brush has a 1.5" Barrel to style large curls and beachy waves. To Style Curls: Turn on the brush and select your desired temperature. Hotter temperature for thicker hair. Brush a 1-2" section of hair. Twirl you hair around the curling brush so that it catches... Roll the brush up the length of the section using the cool-touch tip.. Wait 10-15 seconds depending on your hair type and temperature.. Push the lever and pull the brush out Tangle-Free!