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 Second hand vape smoke linked to increase of risk of poor respiratory health The risks of first hand and second hand vaping Eoleaf Secondhand vape exposure: Risks and side effects Juul study shows secondhand vaping emissions are less toxic than cigarette smoke How secondhand smoke, thirdhand smoke & vaping affects kids