Les cigarettes lectroniques parfois plus cancrignes que le tabac Japon : Japan Tobacco largit sa gamme Ploom Tech Le Monde du Tabac Selected Harmful and Potentially Harmful Constituents Levels in Commercial e Cigarettes Chemical Research in Toxicology Cigarette lectronique : l'arnaque du formaldhyde Medsource Japan to investigate e cigarette safety after formaldehyde findings Vaping The Guardian Formaldehyde is used to preserve dead bodies. This same cancer causing chemical is also found in vape juices. Vaping may look harmless, but looks can be deceiving.