What Chemicals Are Present in Secondhand Vape Emissions? 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 plumes could form lung damaging radicals American Chemical Society Differing Opinions About Second Hand Vape Exposure Vaping Post How a 14 year old boy became addicted to Spice through vapes