What's REALLY in your cigarette or vape? You're not just inhaling nicotine. Cigarettes contain arsenic, ammonia, and formaldehyde yes, the same stuff used to embalm bodies. Vapes? Heavy metals, toxic chemicals, Study Finds E Cigs Produce More Formaldehyde Than Regular Cigarettes Do E Cigarettes Contain Formaldehyde? VapeMountain.com Vs Vape Inhalation Exposure And Surface Contamination Concerns From E Cigarettes 10 Chemicals Found In Cigarettes Australia When you vape, you may be creating and inhaling formaldehyde. Talk to your kids about the dangers of vaping.