Chemically speaking, this molecule is "halfway" among Sorbitan Oleate and Sorbitan Trioleate, meaning that it's also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but within a ratio of 2:three for this reason the "Sesqui" component in the molecule's title. When Farmacy says "makeup m