1 A composite high molecular weight ester non-ionic thickener with excellent thickening performance for surfactant solution system. 2 It has good anti irritancy and is used to prepare a mild surfactant formula. 3 It can effectively replace CDEA and CMEA, and can reduce the potential irritation brought by other traditional surfactants. 4 It provides formula engineers with efficient thickening performance and creates economical and excellent rheological products, such as shampoo, shower gel, liquid soap and other soap based products.