formaldehyde? was that always in our ejuice ,or was it just added ? : r Vaping Daily exposure to formaldehyde and acetaldehyde and potential health risk associated with use of high and low nicotine e liquid concentrations Scientific Reports Safer Using Vaping CAHMA E cigarette vapor has cancer causing chemical formaldehyde CBS News Formaldehyd Zigaretten Aren't Vapes Just Vapor? Nope. Some Vapes Contain Formaldehyde, An Formaldehyde Harmful Vape Chemicals Australia