Fine 310°F – 330°F / Medium 350°F – 370°F / Coarse 390°F – 410°F CHI Flat Irons have a versatile ergonomic design, and use advanced ceramic technology. Create shiny and frizz-free hair instantly – Our dynamic professional Flat Irons offer a sleek design, and outstanding performance. Farouk Systems,Inc. has a long-standing commitment to create and manufacture the finest hair care products and styling tools that are environmentally responsible and adhere to the highest ethical standards. The company has over 2,000 employees and distributes its products throughout the United States and to over 144 countries worldwide.