That Don T What Are The Risks Of Vaping With Diacetyl In Your Juice Do Disposable Vapes Have Diacetyl Alcohol In Cigarettes Or Did You Know Some Flavored Vapes Contain Diacetyl, A Bronchiolitis Obliterans Vaping what is in vape juice 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,