Lost Mary Ultrasonic 35K Diposable Vaping Land 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 Diacetyl: Is it a danger for the e liquid? Our expert advice! A&L Vaping, Diacetyl, and Popcorn Lung: Is the Threat Real? Vaping360