Chemically speaking, this molecule is "midway" between 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 in the ratio of two:3 that's why the "Sesqui" portion while in the molecule's name. The emollient plant oil comi