用果蝇伴性隐性致死试验对S 牌及C 牌两种国产染发剂的致突变性进行了检测。每个牌号四个浓度组,三种含有H_2O_2,一种未加H_2O_2,本实验条件下得到阴性结果。染发剂对果蝇有一定的毒性。S 牌LC_(50)6500μg/ml,C 牌8510μg/ml。 Mutagenicity of two domestic hair dyes, S brand and C brand, were tested by Drosophila associated recessive lethality test. Each concentration of four concentration groups, three containing H_2O_2, one without H_2O_2, negative results obtained in this experiment. Hair dyes have some toxicity to fruit flies. S brand LC_ (50) 6500 μg / ml, C brand 8510 μg / ml.