How Do You Know When a Vape Pen Is Empty? 5 Key Signs 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 How To Smoke A Vape Like A Pro How Long Does Vape Smoke Stay in the Air? What do you need to know about the Single Use Vape ban? Reconomy Connect