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 Is Secondhand Vaping Harmful To Your Health? Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Study shows second hand vaping exposure very low compared to second hand smoking Can you get second hand smoke from a vape Can You Fail a Drug Test From Secondhand Smoke? Test Smartly Labs