This is a new arrival fast heating hair straightening 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.‎How do you use this hair straightener‎?‎Different settings of this hair straightener achieve the effect of straight hair by temperature setting‎.‎ There are 11 temperature settings options‎.‎ Every touch gets 5℃ change ‎.‎we recommend you always start at the highest temperature setting and reduce the level of heat as your hair required‎.‎