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 vs. Smoking: Is One Really Safer Than the Other? Secondhand Smoke and Electronic Cigarette Aerosols US EPA Dangers Of Second Hand Vapes Can Disposable Vapes Cause Secondhand Vapor Second Hand Vape Smoke Dangers