Let's talk about vaping! Swipe to learn more about what vaping is, why people choose to vape, its risks, and some harm reduction tips This post was designed and developed by The Main Ingredients of an E liquid Community Request Diacetyl Center for Research on Ingredient Safety Vape Juice Ingredients: All You Need to Know This is what you're actually inhaling when you vape. (Hint: It's not water vapor.)