Is Formaldehyde In Cigarettes Clearing The Air: Do Vapes Still Contain Formaldehyde Cigarettes Vs Vape Australia Dr Farsalinos et l'tude NEJM La Chaine de la Vape WHAT'S REALLY INSIDE YOUR VAPE? You wouldn't drink paint thinner or eat car battery fluid, right? But you might be inhaling their ingredients every time you vape! E cigarettes contain toxic chemicals E cigarettes emit very high formaldehyde levels only in conditions that are aversive to users: A replication study under verified realistic use conditions ScienceDirect