Chemically speaking, this molecule is "halfway" among Sorbitan Oleate and Sorbitan Trioleate, this means that it's also an attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the unsaturated fatty acid Oleic Acid, but within a ratio of two:3 for this reason the "Sesqui" part during the molecule's identify. Use to clean skin each m