Chemically Talking, this molecule is "midway" between Sorbitan Oleate and Sorbitan Trioleate, that 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 therefore the "Sesqui" part from the molecule's identify. When on the lookout for clea