Vuse ePod to Vuse PRO: What's the Difference? Which brands contain diacetyl in their vape juices? Knowledge Kaiweili Digital Technology F.D.A. Authorizes E Cigarettes to Stay on U.S. Market for the First Time The New York Times Because tobacco companies aren't required to tell us what's in vapes, we wind up being lab rats for their dangerous, addictive products. So, let's be clear (since Big Tobacco won't be)