Balmain Paris Hair Couture's round brush warms up quickly using the heat of your hairdryer to create beautifully soft and bouncy waves. It has static-reducing bristles and a ceramic coating that emits negative ions to smooth flyaways, close cuticles and lock in moisture for instant shine. The 43mm barrel has large round holes to maximize airflow. - Best suited to medium-length or long hair - Even heat distribution to enhance drying time -Instructions for use: - Separate hair into sections and dry one part at a time - Blast with a cool air setting on your hairdryer to achieve a perfectly formed curl that lasts - Repeat motion until hair is completely dry