InfraShine Medium 3/4 Marcel Iron he Origional Professional Marcel Curling Iron with Real Infrared (PTFC) Ceramic Technology. The ultimate tool for stylists who demand only the best in design, technology and performance. This is the most advanced ceramic-plated marcel iron in the world. Only InfraShine® uses authentic PTFC Infrared technology, origionally developed by the aerospace industry, which heats the hair from within to lock in its natural moisture, creating extraordinarily silky texture and shine.