久久亚洲AⅤ无码精品|911日本香蕉视频|久久德国免费在线视频|久久久高清无码中文|色欲天天无码高清|91精品国产一二三四区|人人干人人操在线|黄色自拍成人亚洲爱爱网|国产剧情小黄片链接在线观看|欧美一二六九区最新在线

Features and functions
High efficiency and low cost;
Stable under wide PH range;
Widely used in cosmetics and detergent, as, shampoo, amendment agent;
Compatible with almost all cosmetic materials;
Recommended dosage: .2%~0.6%;