Diacetyl in E Zigaretten: Forscher finden Chemikalien im Dampf STERN.de Sichere Alternativen zu Big Puffs Sichere Alternativen zu Big Puffs 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 you can feel fine while your lungs are still taking the hit. That is the trap with vaping. The device looks cleaner than a cigarette, smells softer, and fits into normal life. Is Diacetyl in Vapes? Crystal Vape & Crystal Bar & SKE Vape Official Station