QIN, Yunrong
(Beijing Key Laboratory of the Plant Recourses Research and Development, Beijing Technology and Business University)
,
WANG, Changtao
(Beijing Key Laboratory of the Plant Recourses Research and Development, Beijing Technology and Business University)
,
HE, Congfen
(Beijing Key Laboratory of the Plant Recourses Research and Development, Beijing Technology and Business University)
,
ZHAO, Hua
(Beijing Key Laboratory of the Plant Recourses Research and Development, Beijing Technology and Business University)
,
LAN, Sheyi
(Beijing Key Laboratory of the Plant Recourses Research and Development, Beijing Technology and Business University)
,
QIU, Xianrong
(Beijing Leapson Technology Co., Ltd)
,
DONG, Yinmao
(Beijing Key Laboratory of the Plant Recourses Research and Development, Beijing Technology and Business University)
Moisturizing efficiency (ME) and relative moisturizing efficiency (RME) of five single samples including ceramide, hyaluronic acid, trehalose, aloe extract and biological factor, were determined respectively in the environment of 62% and 85% relative humidity (RH). All the samples were plied in an e...
Moisturizing efficiency (ME) and relative moisturizing efficiency (RME) of five single samples including ceramide, hyaluronic acid, trehalose, aloe extract and biological factor, were determined respectively in the environment of 62% and 85% relative humidity (RH). All the samples were plied in an environment of RH 62% for 4 h and the significance of RME difference of each sample were investigated. The results indicated that moisturizing efficiency of the same sample in RH 85 % is better than that in RH 62%, and for different samples, the change of ME in RH 62% and RH 85% condition are different. The feasibility of evaluating the moisturizing efficiency of single samples in vitro was discussed. This in vitro evaluating method could be used for preliminary screening of moisturizing agents.
Moisturizing efficiency (ME) and relative moisturizing efficiency (RME) of five single samples including ceramide, hyaluronic acid, trehalose, aloe extract and biological factor, were determined respectively in the environment of 62% and 85% relative humidity (RH). All the samples were plied in an environment of RH 62% for 4 h and the significance of RME difference of each sample were investigated. The results indicated that moisturizing efficiency of the same sample in RH 85 % is better than that in RH 62%, and for different samples, the change of ME in RH 62% and RH 85% condition are different. The feasibility of evaluating the moisturizing efficiency of single samples in vitro was discussed. This in vitro evaluating method could be used for preliminary screening of moisturizing agents.
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