When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Secondhand Smoke vs Vape: What the Science Says Secondhand Vape Exposure: Effects, Who's at Risk, and More How secondhand smoke, thirdhand smoke & vaping affects kids E Cigarettes (Vapes) Smoking and Tobacco Use CDC