Vape Juice Brands to Avoid (Harmful Ingredients) Vape Superstore A Kernel of Truth: Diacetyl, Popcorn Lung and E Liquids Dinner Lady 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 Diacetyl in Electronic Cigarettes: What you need to know! E Cigarette Direct What Vapes Contain Diacetyl and How Can We Stay Safe? Community Request Diacetyl Center for Research on Ingredient Safety