定义
Polygonum Falcatum Rhizome/Root Extract is the extract of the rhizomes and roots of Polygonum falcatum, Polygonaceae
化妆品中的作用
保持肌肤良好状态（CosIng 泛分类）SKIN CONDITIONING吸收并锁住水分HUMECTANT
安全与法规参考
Other restriction: ban substances that deplete the ozone layer
来源: 欧盟 CosIng 成分清单