What's In Your Vape Juice? E Liquid Ingredients Explained EDGE Vaping Vapes and e cigarettes aren't risk free. Knowing what's in them can help you decide what's right for you. They can contain things like heavy metals (nickel, tin, lead), flavorings (like diacetyl, linked to Does Diacetyl in Vaping Cause Popcorn Lung? Clutch Vape Grand Forks Public Health Do you know about vaping and popcorn lung? Diacetyl is frequently added to flavored e liquid to enhance the taste. Inhaling diacetyl Instagram Vape Safety 101: Popcorn Lung, Vitamin E Acetate, and Cannabis OG NATION