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 Vaping Cancer Council SA What is secondhand smoke: All about secondhand smoke that you should know Frontiers World no tobacco: effects of second hand smoke (SHS) and vapors on the developing and adult brain Can Dentist Tell if You Vape? A Comprehensive Guide