Is Diacetyl in Vapes? Crystal Vape & Crystal Bar & SKE Vape Official Station Diacetyl in Electronic Cigarettes: What you need to know! E Cigarette Direct Popcorn Lung: The Deadly Secret in Your Vape! Did you know that the sweet, tempting flavor in your e liquid could be hiding a chemical called Diacetyl? This chemical, which tastes Risk assessment of inhaled diacetyl from electronic cigarette use among teens and adults ScienceDirect A Warm, Buttery Flavor and a Risk of Irreversible Lung Damage