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不少人把白发染成黑发,确可保持暂时的“青春”。但长期使用染发剂,对身体却有危害。染发剂含有氧化染料,是一种对位苯二胺。此物质可以和头发中的强白质形成完全抗原,常常发生过敏皮炎,轻者头皮红肿,刺痒,灼痛,重者全部头皮、脖子、脸部都会发生肿胀,起水泡,流黄水甚至化脓感染。有的染发剂是一种潜在的数癌物质,如2—4氨基苯甲醚,容易积存在染发者身体的各部分,使体内细胞增生,且突变性强。经常染发则使皮肤、肾脏、膀胱及女性乳腺、子宫颈等癌变的可能性增大。
Many people dye white hair into dark hair, can indeed maintain a temporary “youth ”. However, long-term use of hair dye, but the body is harmful. Hair dye contains an oxidative dye, is a para-phenylenediamine. This substance can form the complete antigen with strong white matter in the hair. Allergic dermatitis often occurs. The scalp is light and the scalp is light, the itching and burning are severe. In severe cases, the scalp, neck and face all swollen, blisters, yellow water and even purulent infection . Some hair dye is a potential number of carcinomatous substances, such as 2-4 aminoanisole, easy to accumulate in the hair of all parts of the body, so that the proliferation of cells, and strong mutation. Often hair will make the skin, kidneys, bladder and female breast, cervix and other cancers increase the possibility of.