一级外国黄色视频,免费淫秽视频黄片国产,亚洲一区二区三区黄片,高清国产一区二区在线观看,欧美一级高清黄色录像

Sodium Pyrrolidonecarboxylate is natural moisturizing factor for human skin. It has the features of high hygroscopicity, non-toxic, no irritation and fine stability.

Features and functions

Fine hygroscopicity on skin and hair;
Endow fine softness on skin and hair;
Natural moisturizing factor for skin;
Safe, colorless and no smell;
Recommend dosage: 5%~8% in moisturizing cream, hair conditioner, shampoo, eye cream; 4%~8% in mask and shower gel;