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头头发作为人的第二特征,是人体健与美的重要表现.老年人、中年人,甚至青年人由于年龄、遗传、荷尔蒙失调等原因,会出现白发或黄发,因此许多人选择的补救措施是使用染发剂,但由于对染发剂不甚了解,致使染发皮炎的发生率高于其他化妆品皮炎,因此染发前,一定要对染发剂的种类、用法等有所了解.一、染发剂的种类染发剂大致可分为暂时性染发剂、半永久性染发剂、永久性染发剂.金属染发剂.天然有机染发剂、漂白剂等.
Hair as the second characteristic of human body, is an important manifestation of human health and beauty.Elderly, middle-aged, and even young people because of age, heredity, hormonal imbalance and other reasons, there will be white hair or yellow hair, so many people choose Remedy is the use of hair dye, but due to poor understanding of the hair dye, resulting in the incidence of hair dye dermatitis than other cosmetic dermatitis, hair dye, hair dye must be before the type, usage, etc. First, the hair dye The types of hair dye can be divided into temporary hair dye, semi-permanent hair dye, permanent hair dye. Metal hair dye. Natural organic hair dye, bleach.