Cannabis Vaping How Long Does the Smell Linger Fiore Fresco Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center How to Detect if Someone is Vaping in Your Home: Key Signs to Watch Vaping isn't just vapor. It's an aerosol filled with nicotine and chemicals that go deep into your lungs and straight into your bloodstream. Many vapes contain: Highly addictive nicotine