Chemically Talking, this molecule is "halfway" concerning 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 in the ratio of 2:three as a result the "Sesqui" portion from the molecule's title. Use to clean skin each mornin