Chemically Talking, this molecule is "midway" concerning Sorbitan Oleate and Sorbitan Trioleate, indicating that it is also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but within a ratio of two:3 hence the "Sesqui" aspect from the molecule's title. When Farmacy claims "makeup melta