Do you know what's in a vape? 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, Vapes on black market may contain toxic chemicals, pesticides, harmful flavorings Public safety warning: illegal vape products continue flooding the market. Without regulation or testing, consumers have no way to know what's actually inside these products. That's why strong enforcement and regulated markets Vaping: What you need to know NIH MedlinePlus Magazine