While vaping is not risk free, it is less harmful than tobacco Our World in Data Secondhand smoke and secondhand aerosol 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 It's important to protect children from cigarette smoke, and it's just as important to do the same with vaping. Secondhand vape smoke aerosol isn't harmless It contains tiny particles that can Can you get second hand smoke from a vape How Smoking vs. Vaping Affects the Eyes