Is Second Hand Vaping Harmful? EDGE Vaping Myth Buster ~ "Second hand vape smoke" is actually water vapour and is not harmful to other people or the environment. #vape #vaping #vapeuk #ecigerette #smoke #quit Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Symptoms Of Second hand Vape Smoke 2nd Hand Vape Smoke Side Effects Health experts say not 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 What Are the Risks from Secondhand Vape Smoke? NVB Inc.