Described are hair colorant compositions comprising an aqueous dispersion comprising an ethylene acrylic acid copolymer, and optionally a metallocene catalyzed polyolefin. an aqueous dispersion comprising a metallocene catalyzed polyolefin and an ethylene acrylic acid copolymer, and methods of reducing hair damage from hair colorants, comprising including an aqueous dispersion comprising a metallocene catalyzed polyolefin and an ethylene acrylic acid copolymer in the hair colorant.