Does Vaping Cause Secondhand Smoke? Secondhand smoke and secondhand aerosol 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 Effect of second hand fumes from vaping on young lungs Dangers Of Second Hand Vapes Can Disposable Vapes Cause Secondhand Vapor Second Hand Vape Smoke Dangers