Vapes General Information FDA recommends legalizing flavored vape sales WBEN Australia to ban recreational vaping in major crackdown on e cigarettes as teen use soars African Tobacco Control Alliance (ATCA) Pro Flavors Reddit E Cigs Free Of Diacetyl, Acetoin & Pentanedione Disease E Cigarettes Australia What Vapes Contain Diacetyl Vaping is on the rise. While e cigarettes don't contain tobacco, they may still contain many of the same toxic and cancer causing chemicals found in regular cigarettes. This includes: Acrolein (weed