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Study of efficacy of skin care cream formulated with flavonoids from bamboo leaves

WANG Wen-yuan1,CAI Min1,LI Yu-ting1,LONG Hong-ping2,LUO Hang1(1.Hunan Yongzhou Vocational Technical College,Yongzhou,Hunan 425000,China; 2.School of Pharmacy,Central South University,Changsha,Hunan 410013,China)  
Skin care cream formulated with flavonoids from bamboo leaves was prepared by addition of refined extract from bamboo leaves into substrate of skin care cream.Performance tests and evaluation of the product were carried out in accordance with relevant standards.Results showed that average absorbance in UVB region of the product containing mass fraction of 1.5% of flavonoids from bamboo leaves achieves 1.273,and its sun screening efficacy in UVA region achieves three-star level.The product displays rather good sun screening efficacy,and excellent moisturizing effect.Furthermore,it can reduce melanin content in the human skin significantly thus to whiten the skin,as well as improve texture of human skin,lower the harshness and increase flexibility of skin.Safety test and evaluation results showed that the product is safe to human body and no irritation occurs.
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