Harmful Chemicals in Vapes and E Liquids You Should Avoid SMOKO E Cigarettes Community Request Diacetyl Center for Research on Ingredient Safety Vape Juice Brands to Avoid: Harmful Ingredients & Worst Flavours Fruit flavored vapes just cleared a major hurdle with the FDA. The Food and Drug Administration authorizing the marketing of fruit flavored e cigarettes, marking the first time it has approved this category of vaping