Acrylates/VP/Dimethylaminoethyl Methacrylate/Diacetone Acrylamide/Hydroxypropyl Acrylate Copolymer is a copolymer of vinyl pyrrolidone, dimethylaminoethyl methacrylate, diacetone acrylamide, 2-hydroxypropyl acrylate, and one or more monomers consisting of acrylic acid, methacrylic acid or one of their simple esters.