hair t1.5”/38 mm ceramic barrel that distributes heat evenly for faster styling Adds volume, shape and shine while taming frizz Lightweight design for effortless handling Heat-resistant bristles gentle on hair and scalp Works on all hair types and lengths Why You'll Love This Cuts down styling time so you can skip the extra heat damage Gives you smooth, bouncy hair like a salon blowout Effortless to handle for flawless styling Works for straightening or curling with your blow dryer How to use Start with clean, completely dry hair. Section your hair for easier styling Place the brush at the roots and use your blow dryer to direct heat along the barrel Roll and pull through the hair to smooth, curl, or add volume Repeat until your style is on point Pro Tip: To protect your hair from heat, use Kitsch Heat Protectant & Styling Mist before using the Thermal Round Brush.