Chemically Talking, this molecule is "halfway" among Sorbitan Oleate and Sorbitan Trioleate, which means that it's also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but inside a ratio of two:three as a result the "Sesqui" portion in the molecule's title. The emollient plant oil comi