Which brands contain diacetyl in their vape juices? Knowledge Kaiweili Digital Technology All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center TRUTH ABOUT VAPES! If vapes are supposed to be safe, why do they have toxic chemicals? Breathe in the truth, and learn the realities of what makes up a vape! This year, 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