Is Formaldehyde In Cigarettes Clearing The Air: Do Vapes Still Contain Formaldehyde Cigarettes Vs Vape Australia Study Finds E Cigs Produce More Formaldehyde Than Regular Cigarettes Do E Cigarettes Contain Formaldehyde? VapeMountain.com 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, When you vape, you may be creating and inhaling formaldehyde. Talk to your kids about the dangers of vaping.