防晒化妆品的防晒效果研究

应用分光光度法测定溶液透光率的原理，但又不同于常规的测定方法，而是净化妆品模拟上妆在比色皿的透光面上，再用一定波长的紫外线测定各种化妆品的透光率，然后根据不同化妆品的透光率大小，从而得出各种化妆品的防晒效果，取得了比较满意的实验结果，这对厂家依据消费者的不同需求，生产各种品牌的防晒化妆品，以及质检部门对防晒系列化妆品进行分类，加强规范化管理有借鉴和背景意义。

On Effects of the Skin Protecting Cosmetics

This experiment applies the principle of spectrophotometer determining the transmittance of the solution, but employs a different determing method. In this determination the cosmetics is first put on the vessel surface of chromometer to simulate the process of the making--up. Then the transmittance of cosmetics is determined by an ultraviolet ray. The tanning protection effect of the cosmetics can be found from the experimental data. With this finding, factoies can produce various cosmetics according to the demands of the customers. This finding is also helpful to the quality testing department in classifying cosmetics and normalizing the administration.