CTFA方法在检测化妆品防腐效果的适用性

Applicability of CTFA method in detecting the antiseptic effect of cosmetics

目的研究CTFA方法在检测国内不同化妆品防腐效果的适用性。方法采用美国化妆品、盥洗和香精联合会的测试方法(CTFA)人为将定量的菌种(细菌和真菌)分别加入到样品中,定期检测样品的菌落数,根据样品中的菌落数增减判定样品的防腐效果。结果 4类含有防腐剂的不同样品中有3类样品均能通过防腐实验, 1种类型样品不能通过防腐实验。结论 CTFA方法可以作为检测国内企业不同化妆品防腐效果的一种有效合理的方法,适用性良好。

Objective To study the applicability of CTFA method in detecting the antiseptic effect of different cosmetics in China. Methods Cosmetics, toiletries and fragrances association(CTFA) method was used to artificially add quantitative bacterial species(bacteria and fungi) to the samples, the number of bacterial colonies in the samples was regularly tested, and the antiseptic effect of the samples was determined according to the increase or decrease of the number of bacterial colonies in the samples. Results Totally 3 kinds of the 4 types of different samples containing preservatives could pass the anti-corrosion test, while one type of sample could not pass the anti-corrosion test. Conclusion CTFA method can be used as an effective and reasonable method to detect the antiseptic effect of different cosmetics in domestic enterprises, with good applicability.