Vaping, Diacetyl, and Popcorn Lung: Is the Threat Real? Vaping360 How do I figure out if my vape juice contains diacetyl or not? : r Vaping Do Geek Bars Have Diacetyl? EightVape DYK? Vaping coats lungs with potentially harmful chemicals. This can include chemicals such as: Diacetyl: This food additive, used to deepen e cigarette flavors, is known to damage small passageways in the lungs. DO YOU KNOW WHAT YOU'RE VAPING? Every vape is a hit to your health! Vapes are colourful, with appealing flavours. But you can breathe in some pretty harmful chemicals like those found Risk assessment of inhaled diacetyl from electronic cigarette use among teens and adults ScienceDirect