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最近,染发之风渐盛,不仅老年人将白发染成黑发,而且有的年轻人也将黑发染成金发、绿发、红发。人们追求美,并没有什么可指责之处,但染发与健康的关系应当引起人们的重视。一是染发剂的急性反应的问题。人们的体质不同,对染发剂中的各种成分反应也不同。有的人能适应,而有的人在使用染发剂后出现过敏反应,如有的头皮发痒、疼痛,有的出现荨麻疹,还有的引起发热,红肿等全身性反应。因此在染发前必须做过敏试验,不可图省事而少掉这一程序。二是染发剂长期使用有无潜在危害的问题。美国食品和药物管理局坑计,每一品牌染发剂,每万人使用,其中有15.2个人有不良反应(不包括对发质的损害)。美国接触性皮炎协会研究认为,染发剂有致皮炎的可能。当然这些反应时间尚短暂,只要以后避免使用还不至于引起后遗症。人们更关心的是有无潜在伤害。美国曾进行过染发剂喂养动物的实验,曾
Recently, the style of hair dyeing is flourishing. Not only the elderly dye white hair into black hair, but some young people also dye black hair into blond hair, green hair and red hair. People pursue the United States, there is nothing to blame, but the relationship between hair and health should draw people’s attention. First, the problem of acute reaction of hair dye. People of different physique, the various components of the hair dye reaction is also different. Some people can adapt, while others use the hair dye allergic reactions, such as itchy scalp, pain, and some urticaria, others cause fever, redness and other systemic reactions. Therefore, before the hair dye allergy test must be done, can not figure out the matter and less out of this procedure. Second, the long-term use of hair dye potential harm or not. US Food and Drug Administration pit meter, each brand of hair dye, used per 10,000 people, of which 15.2 individuals have adverse reactions (not including damage to the hair). American contact dermatitis Association believes that hair dye may cause dermatitis. Of course, these response time is still short-lived, as long as the future to avoid the use of yet cause sequelae. People are more concerned about whether there is potential damage. The United States has conducted experiments on hair dye-fed animals