The CHI Styler Ceramic Hair Straightener. CHI has transformed the world of hair beauty and their hair straighteners have become an addictive accessory for women everywhere. Therefore, it comes as no surprise that the new CHI Styler is one of the most sought after hair products ever. The CHI Styler is the most advanced hair styling tool on the market, and represents a remarkable evolution of one the iconic brands of the 21st Century.