Is Secondhand Vaping Harmful To Your Health? 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 Amazon.com: NICOTESTS Nicotine Second Hand Smoke and Vape 10 ng Test (5 Pack) : Health & Household Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London The risks of vape pens' secondhand aerosols Secondhand Smoke Vermont Department of Health