Do E Cigarettes Contain Formaldehyde? VapeMountain.com When you vape, you may be creating and inhaling formaldehyde. Talk to your kids about the dangers of vaping. Formaldehyde In Vapes? Exposing Another Chemical Scare Electronic cigarettes drastically reduce exposure to toxic substances from tobacco Prevention Observatory of the Montreal Heart Institute Study Finds E Cigs Produce More Formaldehyde Than Regular Cigarettes