Hair Straightener Brush PTC Heating Technology, Adjustable Temperature, Auto Lock, Anti-Scald Simply straight hair brush for heat hair brush leaves your hair silky, products for straightening hair and smooth from the very first stroke. The new generation of hair straightening brush is a flat-iron hair straightener with a built-in comb, which also provides a massaging effect that benefits the scalp and stimulates hair follicles, makes straightening your hair as easily as combing it. It is safe, so you will not burn your hands or scalp. New hair straightener comb saves time and money. It's heating up to 365Ã¢ÂÂ (180Ã¢ÂÂ) in a minute, auto keeps the constant temperature at 365Ã¢ÂÂ(180Ã¢ÂÂ), your hair will be basically settled in 8-10 seconds. Straightening brushes emit rich negative ions while working, to moisturizing and hydrating care your hair, helps hair straight brush instantly while leaving behind a healthy shine.