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 Debunking 7 Myths About Secondhand Smoke Scientists Warn Against Breathing in Secondhand Vape 'Smoke' Newsweek Study shows second hand vaping exposure very low compared to second hand smoking Should I Be Concerned About Secondhand Vaping?