Vapes don't produce harmless water vapor. They can contain addictive nicotine, cancer causing chemicals like acetaldehyde and formaldehyde, as well as heavy metals that don't belong in your body. Live Vape Free is Tout savoir sur le eliquide et le diactyle Neovapo Le diactyle dans le e liquide est il dangereux ? Diacetyl in Electronic Cigarettes: What you need to know! E Cigarette Direct Diacetyl in Vape Juice: The Facts We Know Pod Salt UK 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.