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 Formaldehyde exposure from 3 e cigarette formats tested well below WHO quality guidelines EurekAlert! Opinion The Formaldehyde in Your E Cigs The New York Times When you vape, you may be creating and inhaling formaldehyde. Talk to your kids about the dangers of vaping.