Secondhand Vape Exposure: Effects, Who's at Risk, and More 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 Effects Of Second Hand Vape Smoke Salih Balta Electronic Smoking Devices and Secondhand Aerosol American Nonsmokers' Rights Foundation no smoke.org How Long Does Second Hand Smoke Stay in Your System