为了解市售不同包装的护肤化妆品使用前后卫生细菌污染情况,对某种品牌挤压式、沾取式包装护肤化妆品进行了抽样、分组,并且分别于使用前、使用30 d 、使用60 d 采样作卫生细菌学检测。结果表明:使用前合格率100 % ,使用后细菌污染率大大增高,而且沾取式包装污染率随时间变化大且高于挤压式包装 In order to understand the hygienic bacterial contamination before and after the use of different packaged skin care cosmetics on the market, a certain brand of squeezed, stick-on packaging skin care cosmetics was sampled and grouped, and used for 30 days and 60 days before use. For bacteriological testing. The results showed that the use rate of 100% before use, the bacterial contamination rate increased significantly after use, and the sticking type packaging pollution rate changes over time and is higher than the extrusion packaging