Does Big Lash Mascara contain Ethylene Oxide? July 19, 2018 15:54 The Ethylene Oxide contained in the Polysorbate 20 is 1 ppm as an unavoidable trace. Related articles Do your products contain nickel or metals? Where is your Mica sourced What is the aroma listed in the lip gloss? Do your products contain parabens? What are the brush made from?