Vitro antibacterial activity on acne pathogens with 10 kinds of acne cosmetics was studied.Randomly choose two classes with a total of 10 kinds of acne cosmetics, antibacterial activity of acne propionic acid bacillus and staphylococcus aureus were quantitative tested by suspension method and bacteriostatic ring.Results showed that with 3 kinds of acne removing cleanser in 5 kinds of the samples, bacteriostatic rates were greater than 50%, had good bacteriostatic action.With 3 kinds of acne cream in 5 kinds of the samples, bacteriostatic ring diameter were greater than 7 mm, had good antibacterial effect.These two products had the pass rate with 60%.%研究了10种祛痘类化妆品对痤疮致病菌的体外抑菌活性。随机选用两类共10种祛痘类化妆品，根据使用方法选用悬液法定量和抑菌环法定性检测化妆品对金黄色葡萄球菌和痤疮丙酸杆菌的抑菌活性。结果表明：5种祛痘洁面乳中有3种洁面乳的抑菌率大于50％，有较好的抑菌作用；5种祛痘膏霜中有3种的抑菌环直径大于7 mm，有较好的抑菌效果，两类产品的合格率均为60％。
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