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 Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Differing Opinions About Second Hand Vape Exposure Vaping Post Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals