竹叶黄酮护肤霜功效的研究

将竹叶黄酮添加到护肤霜基质中制得竹叶黄酮护肤霜,按有关标准对产品进行了性能测试和评价.护肤功效检测表明,含质量分数为1.5％的竹叶黄酮护肤霜在UVB区的平均吸光度为1.273,在UVA区的防晒效果达到三星级,具有较好的防晒功效；有优良的保湿功效；能显著降低皮肤黑色素含量而美白皮肤；可改善皮肤纹理度,降低皮肤粗糙度；增加皮肤弹性；且人体试验安全、无刺激性,是一种天然的化妆品功能性成分添加剂.

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

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.