Harmful Chemicals in Vapes and E Liquids You Should Avoid SMOKO E Cigarettes Banned Dangerous Vape Ingredients to Avoid in Your Vape Juice Vapes are clouded in misconception . They contain many of the same toxic and cancer causing chemicals found in regular cigarettes. One of these ingredients is diacetyl, used in popcorn flavourings for its California lawmakers have refused to restrict flavored vaping is that about to change? CalMatters Does Vaping Cause Popcorn Lung? Africa Harm Reduction Alliance Diacetyl Popcorn Lung Lawsuit [2026 Update]