最近,许多读者来信提出一些有关化妆品选购和使用方面的问题。由于编辑部人力有限,来信不能一一答复,所以,我们将大家普遍关心的有代表性的问题归纳整理后,特请北京轻工学院精细化工专业副教授《中国化妆品》杂志编辑部顾问闫世翔同志解答,并在本刊陆续刊登,以给大家一个更满意确切的答复。 Recently, many readers have written some questions about the purchase and use of cosmetics. Due to the limited manpower in the editorial department, we can not reply one by one. Therefore, after we summarize the representative issues of general concern to all, we ask Mr. Yan Shixiang, an advisor to the editorial department of “China Cosmetics” magazine, an associate professor of fine chemicals at Beijing Institute of Light Industry , And published one after another in order to give you a more satisfactory and exact answer.