200 degree Celsius salon performance , 28 mm ceramic coated barrel From its origins in salons in 1948, TRESemme has been driven by a single truth: Every woman deserves to look and feel fabulous every day, like they've just stepped out of the salon. TRESemme is dedicated to creating haircare products that are professional quality. TRESemme believes everyone should be able to style their own hair like a pro. TRESemme. Pro performance in your hands every day. A professional styler with 28 mm ceramic barrel creates curls and waves with a smooth finish. The longer barrel is ideal for styling longer hair. It's easy to use with fast results, simply wrap the hair around the barrel for kink-free waves. The salon heating system ensures fast heat up for quick styling.