Are kids using disposable e cigarettes to get around the vape flavor ban? F.D.A. Plans to Ban Most E Cigarette Flavors but Menthol The New York Times 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. Diacetyl in Vape Juice: The Facts We Know Pod Salt UK