Study on the Efficacy Claim and Evaluation Method of Lip Cosmetics  

作　　者：Wu Fan Pan Yao Zhao Hua Zhu Wei Lin Lin Fan Yangyi 

机构地区：[1]Department of Cosmetics,College of Chemistry and Materials Engineering,Beijing Technology and Business University,China [2]Beijing Key Laboratory of Plant Resources Research and Development,China [3]Shanghai Corday Biotechnology Co.,Ltd.,China

出　　处：《China Detergent & Cosmetics》2024年第1期54-62,共9页日用化学品科学（英文版）

摘　　要：To study the efficacy of lip moisturizing cosmetics and explore the methods for evaluating their efficacy.The claimed efficacy and number of claimed efficacy of 44 lip moisturizing cosmetics were investigated,and a combination of in vitro and human testing was used to evaluate the efficacy of the lip moisturizing cosmetics.The efficacy claims of lip cosmetics mainly included 4 categories of moisturizing,repairing,soothing and anti-wrinkle,with 79.55%of the products claiming 3~4 categories of efficacy.In the in vitro test,the cell morphology of the skin damage model improved and the secretion of pro-inflammatory factors decreased significantly.In the human trial,the water content,skin softness and brightness L value of the cuticle of the lips increased significantly in 31 subjects,and the transepidermal water loss,redness a value,and the area and volume of lip wrinkles decreased significantly;the dryness of the lip skin and the uniformity of the skin texture improved significantly.The dryness of lip skin and the uniformity of skin texture were significantly improved.The results show that the moisture content of the stratum corneum can be used to evaluate the moisturizing efficacy of lip products.The transepidermal water loss,skin color,skin softness and expert assessment can be used to evaluate the repairing efficacy.The observation of cell morphology of skin damage models and the detection of pro-inflammatory factor content can be used to evaluate the soothing efficacy.The area and volume of lip wrinkles can be used to evaluate the anti-wrinkle efficacy of products.

关 键 词：lip cosmetic efficacy claim clinical trial in vitro test 

分 类 号：TQ658[化学工程—精细化工]