Which brands contain diacetyl in their vape juice? Knowledge Kaiweili Digital Technology Which E Juices Have Diacetyl? VanGo Vapes Popcorn Lung: The Deadly Secret in Your Vape! Did you know that the sweet, tempting flavor in your e liquid could be hiding a chemical called Diacetyl? This chemical, which tastes Research indicates that certain flavoring chemicals used in e cigarettes can irritate lung tissue and trigger inflammatory responses in laboratory settings. Some compounds, such as diacetyl, have been linked to respiratory damage when