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 As e cigarette use grows, more research needed on long term effects of vaping American Heart Association Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center The risks of vape pens' secondhand aerosols