Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center 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 If someone smokes outside, do they bring thirdhand smoke indoors with them? Thirdhand Smoke Resource Center