Ingredients You Should Avoid Using In Your Vape Juice The Beer Connoisseur There are no safe tobacco products, and yes, that includes vapes. The sleek, battery powered devices heat up liquid packed with nicotine and other harmful chemicals that turn into an aerosol you inhale 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 Gasping for Action A Watchdog Report Lab tests reveal popular e cigarette liquids contain harmful chemicals