Diacetyl In Vape: What You Need To Know Shisha Vibe worried about the Popcorn Lung diacetyl rumour (please read) Vaping Forum Planet of the Vapes Diacetyl notice! : r Vaping Vape Flavors and Vape Juice: What You Need to Know Johns Hopkins Medicine They may seem sweet and tasty, but each time you vape, you breathe in harmful chemicals. One of these chemicals is diacetyl, used in popcorn flavourings for its buttery taste. When eaten,