Juul2 Flavour Guide New Juul Pods Flavours Reviewed The Smoking Alternative, unlike any E Cigarette or Vape JUUL 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. Juul Ends E Cigarette Sales of Mint Flavored Pods The New York Times