大多存在于指甲油和染发剂中。
At Vanguard, buy hair dye and promoters will apply it free (customers browse its aisles sporting plastered hair and towels).在华润万家,凡购买染发剂促销员将做一次免费的染发(这些顾客可以在涂着染发剂,缠着头巾的同时,四处浏览这些货架)。
Earlier, researchers at Yale University found that long-term use of dark hair dye by women who began coloring their hair before 1980 may increase the risk of non-Hodgkin's lymphoma.早些年的时候,耶鲁大学的研究者发现,在1980年前开始使用染发剂的女性长期使用黑色染发剂,也许会增加得非霍金奇淋巴瘤的几率。