Daily exposure to formaldehyde and acetaldehyde and potential health risk associated with use of high and low nicotine e liquid concentrations Scientific Reports Juice Head Salts Pineapple Grapefruit Vape Juice Northeast Here's a list of chemicals that can be found in a vape (and where else it is used or can be found): Acetaldehyde found in car exhaust Carbonyl Composition and Electrophilicity in Vaping Emissions of Flavored and Unflavored E Liquids Emissions from Electronic Cigarettes: Key Parameters Affecting the Release of Harmful Chemicals Environmental Science & Technology