Chemically Talking, this molecule is "halfway" concerning Sorbitan Oleate and Sorbitan Trioleate, which means that it is also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but in the ratio of 2:3 that's why the "Sesqui" element while in the molecule's identify. The emollient plant oi