Does Vaping Cause Secondhand Smoke? Secondhand smoke and secondhand aerosol Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Project Filter Secondhand Vape Informational Poster #1 Idaho Health Tools 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 important to protect children from cigarette smoke, and it's just as important to do the same with vaping. Secondhand vape smoke aerosol isn't harmless It contains tiny particles that can