Rauchen nach Weisheitszahn OP Erlaubt oder nicht? 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? Vaping360 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