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 Second Hand Vape Smoke Dangerous? RxLeaf Study shows second hand vaping exposure very low compared to second hand smoking Second hand Vape Vs Secondhand Smoke Project Filter Secondhand Vape Vaping poses lower secondhand risk than Does Vaping Cause Secondhand Smoke? Is Vaping Better Than Smoking? American Heart Association