Which brands contain diacetyl in their vape juice? Knowledge Kaiweili Digital Technology Which brands contain diacetyl in their vape juices? Knowledge Kaiweili Digital Technology 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 "Vapingit's just water vapor, no big deal!" FALSE! Most vaping devices contain & release a number of potentially toxic substances including metals & volatile organic compounds, some of which have been linked Vapes with Diacetyl List: Brands and Flavors to Avoid Processed Food Flavoring Additive 'Diacetyl' also in Vape Chemical Free Life