Glyceryl stearate is made by mixing glycerin with stearic acid. It is used in skin care products as it acts as a lubricant on the skin’s surface, giving the skin a soft and smooth appearance. It also slows the loss of water from the skin by forming a barrier on the skin’s surface.
Mater Sci Eng C Mater Biol Appl. 2016 Dec 1;69:358-65. doi: 10.1016/j.msec.2016.06.098.