Can you get second hand smoke from vape? Vaping Post Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Myth Buster ~ "Second hand vape smoke" is actually water vapour and is not harmful to other people or the environment. #vape #vaping #vapeuk #ecigerette #smoke #quit It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center Secondhand Smoke and Electronic Cigarette Aerosols US EPA