Bis-Stearyl Ethylenediamine/Neopentyl Glycol/Stearyl Hydrogenated Dimer Dilinoleate Copolymer is a copolymer of ethylenediamine, neopentyl glycol and hydrogenated dilinoleic acid end-blocked with stearyl alcohol. See Reported Ingredient Functions-The Cosmetic Drug Distinction, in Regulatory and Ingredient Use Information, Volume I, Part A.