Chemically speaking, this molecule is "midway" amongst Sorbitan Oleate and Sorbitan Trioleate, indicating that it's also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but in a ratio of 2:3 consequently the "Sesqui" component while in the molecule's name. Other than aquiring a good se