Secondhand vaping may pose risk to your kids: New study Secondhand Vape Exposure May Be Risky for Asthmatic Teens UCT Lung Institute Sitting somewhere when a cloud of cotton candy vapor washes over you? If you can smell the sweet scent of a vape, that's not a great sign. 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