Vapes are clouded in misconception . They contain many of the same toxic and cancer causing chemicals found in regular cigarettes. One of these ingredients is diacetyl, used in popcorn flavourings for its Vaping, Diacetyl, and Popcorn Lung: Is the Threat Real? Do Crystal Bar Vapes Have Diacetyl? Vapor Shop Direct Diacetyl in Electronic Cigarettes: What you need to know! E Cigarette Direct