Popcorn Lung: The Zombie Vaping Myth That Refuses to Die Is There Diacetyl In E liquid? Vaped Vaping, Diacetyl, and Popcorn Lung: Is the Threat Real? Vaping360 We get asked about ingredients a lot. Reputable brands like Loon focus on modern standards and generally avoid Diacetyl, sticking to food safe flavorings. We only stock brands we trust. Janesville, Delavan, Disposable Vapes Myths Vapor Shop Direct