Characteristics of a hair curler
Material: almost no longer exist on the market corrugated metal, famous for combing hair at the moment and its long-term deterioration. Now, the part of the heat-conducting corrugator is made of ceramic or tourmaline, in order not to risk the health of the hair.
Most also have a built-in ionic function, in which the coat that is in contact with the hair produces negatively charged particles, which bind to the hair and prevent electrification.