, The notion that vaping causes "popcorn lungs" due to diacetyl in e liquids is based on outdated information. , ., While diacetyl was once used as a flavoring agent in some e liquids and linked to Which E Juices Have Diacetyl? VanGo Vapes Do Geek Bars Have Diacetyl? EightVape Is Diacetyl in Vape Juice UK? Mister Vape Do Breeze Vapes Contain Diacetyl Breeze Prime Disposable Vape 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