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 Secondhand Vape Exposure: Effects, Who's at Risk, and More Secondhand vape plumes could form lung damaging radicals American Chemical Society It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center