Try making a Sulfate Free shower gel by using HEC as a gel builder as follows: 1 warm
DI Water Include
surfactant and
Glycerin e at 70 C, then sprinkle with HEC powder, stir until gel and dissolve
น้ำหอม with Butyrene Glycol and search to combine. After leaving it for 2 hours, it was found that HEC precipitated clear at the bottom of the container. not homogeneous Therefore, I would like to ask what is the cause? and how to fix it