求翻译：　　长期使用染发剂对健康有害。美国有位专家检验了160种流行的染发剂，发现其中有150种具有致癌作用。如在氧化型染发剂中，有一种叫2-4氨基苯甲醚的物质，最易在人体中蓄积，促使细胞增生。在通常情况下，若使用染发剂10年，人体皮肤只要吸收1%这种物质，都可致癌。是什么意思？

Long-term use of hair dye is harmful to health. U.S. experts tested 160 kinds of popular hair dye, and found that there are 150 kinds have a carcinogenic effect. As in the oxidative hair dye, a substance called 2-4 Anisidine, the most prone to accumulate in the human body to promote cell proliferati

The long-term use hair dye is harmful to the health.US had an expert to examine 160 kind of popular hair dyes, discovered in which had 150 kinds to have the carcinogenesis.If in the oxidation hair dye, some one kind is called 2-4 anisidine the material, stores up easily in the human body, urges the

Long-term use of hair dye is harmful to health. United States experts examined, 160 species of popular hair dye, found there are 150 of which have carcinogenic effects. Such as oxidized hair dyes, a substance called p-2-4 ether, most likely to accumulate in the human body, promote cell proliferation