All the world ladies will be crazy for it No harm: It produce anion when work , that remove hair static electricity, also anion can combine with air to produce moisture, help nourish your hair LCD screen display 360 degree rotatable wire . it avoids the wire twining This is a new arrival fast heating hair straightening tool with negative ions hair protection system. While the hair straightener is working, some of the negative ions cover the hair surface, some shifts into water when it touches air, offers hair a protection mask-ant. Brand No Brand SKU 100267785_NP-1020544108