What it Does. Ergonomic design with a non-slip handle for better control. Provides tangle-free styling. For all hair types. Provides up to 40% faster drying time. Creates volume, polished waves and sleek styles. How to Use. Glide brush through hair from root to tips using a CHI hair dryer. Base Material: 100% Ceramic. Brush + Comb Type: Round Brushes. Country of Origin: Made in US