JUUL Pod Ingredients: What's in E Cigarettes? It's NOT just water vapor. Vaping exposes your lungs to harmful chemicals and can affect your overall health. This Vaping Awareness Month, get the facts and free support to quit. Text READY What's really inside a vape? Many people think vaping is just flavored vapor, but the aerosol from e cigarettes can contain harmful substances that go straight into the lungs. According to the What's In Fake Juul Pods? 4 Signs Your Juul Pod Is Fake Do Juul Pods Contain Formaldehyde FDA reverses order taking Juul vaping products off the market in US, opens door to possible authorization Do Juul Pods Contain Formaldehyde FDA rescinds marketing ban on Juul vaping products