an arm of the US Food and Drug Administration. 根据美国食品和药物管理局

白领健康

an arm of the US Food and Drug Administration. 根据美国食品和药物管理局

"They were originally used in small quantities to prevent sunburn on vacation,至于其他三种化学成分。

连续涂四天,所以化合物防晒霜变得更加受欢迎,另一种是用二氧化钛或氧化锌等矿物质来阻隔阳光, ecamsule and octocrylene -- are part of a dozen that the FDA recently said needed to be researched by manufacturers before they could be considered "generally regarded as safe and effective." 研究中涉及的四种防晒霜成分——阿伏苯宗、氧苯酮、依茨舒、奥克立林是食品和药物管理局近日要求制造商调查的12种化学成分中的一部分,所有志愿者在使用一天后血液中的化学成分显著增加,且浓度高到足以启动政府安全调查,不过情况很快就发生了改变,