Which E Juices Have Diacetyl? VanGo Vapes A Medley of Carcinogens: Expert Reveals The Most Toxic Vape Flavors In The Market Aggressive advertising strategies have lured many Filipinos, particularly teenagers, into joining the harmful vaping trend. Never mind scientific DYK? Vaping coats lungs with potentially harmful chemicals. This can include chemicals such as: Diacetyl: This food additive, used to deepen e cigarette flavors, is known to damage small passageways in the lungs. A Warm, Buttery Flavor and a Risk of Irreversible Lung Damage Vaping: E Liquid Chemical Linked to "Popcorn Lung" Harms Cells in Airways