The Infinity PRO Nano TITANIUM Tourmaline Straightener uses materials (titanium and an ionic generator) to produce far-infrared heat, which (safely) penetrates your hair from within to prevent damage and make flat ironing efficient. Nano Titanium is an exceptional heat conductor. It maintains consistent, high temperatures while emitting negative ions in their most beneficial form. This means faster straightening & quickly sealed hair shafts for locked-in natural moisture Heats up to 450f-290c