Polyurethane-36 is a copolymer of PPG-17, isophorone diisocyanate (IPDI), and dimethylol propionic acid, neutralized in the presence of water with triethylamine. Further chain extension is achieved by reacting the polymer with hydrazine.

Reviewed by CIR: Final Report: Safety Assessment of Polyurethanes as Used as Cosmetics

출처: Cosmetic Ingredient Review