Abstract

Many traditional Chinese medicine compositions can moisturize the skin and utilize in cosmetics. Using a combination of Chinese Medicine Materials and guided by Traditional Chinese Medicine principles, this study selected Echinacea purpurea to protect the skin barrier, Dendrobium nobile to clear heat and promote fluid production, Sophora flavescens to clear heat for diminished inflammation, and Aloe vera combined Lycium barbarum to nourish yin, to together form a "poly TCM moisturizing formulation." These poly plant extracts were investigated and optimized for the stability, safety, and moisturizing ability. The combination moisturizing effect was determined by measuring the expression of FLG mRNA, CLDN-1 mRNA, and AQP3 protein. Toxicological analysis included a red blood cell hemolysis test and a 3T3 phototoxicity test. It has been observed that by using polysaccharide yield as the evaluation criterion showed optimal extraction at a material-to-liquid ratio of 1:100, an extraction temperature of 100°C, and an extraction time of 3 hours. Moisturizing effect experiments showed that the expression of FLG mRNA, CLDN-1 mRNA, and AQP3 protein was significantly increased. Toxicological tests showed that the composition was safe and caused no irritating effects. Based on these results, this poly traditional Chinese medicine moisturizing formulation is safe within moisturizing effects and can be used as a moisturizing raw material in cosmetics.

Highlights

  • MethodsThese poly plant extracts were investigated and optimized for the stability, safety and moisturizing ability

  • Many traditional Chinese medicine compositions can moisturize the skin and utilize in cosmetics

  • This poly traditional Chinese medicine (TCM) moisturizing formulation is safe within moisturizing effects and can be used as a moisturizing raw material in cosmetics

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Summary

Methods

These poly plant extracts were investigated and optimized for the stability, safety and moisturizing ability. The combination moisturizing effect was determined by measuring the expression of FLG mRNA, CLDN-1 mRNA and AQP3 protein. The effects of extraction temperature, solid-liquid ratio and extraction time on polysaccharide content were investigated by 3-factor and 3-level orthogonal tests. 2.3 Preliminary Qualitative Phytochemical Analysis Of Plant Extracts. A large number of reports have stated that plant polysaccharides have good moisturizing and skin care effects. Pipette 0.2 ml of the sample solution, make up to 2.0 ml by distillation, add 1.0 ml of 6% phenol and 5.0 ml of concentrated sulfuric acid, shake and cool for 20 minutes at room temperature and measure the optical density at 490 nm. The total polysaccharide content was detected[10,11,12,13]

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