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 Symptoms Of Second hand Vape Smoke 2nd Hand Vape Smoke Side Effects Health experts say not Effects Of Second Hand Vape Smoke Second Hand Vaping Side Effects Do E Cigs Present A Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Is Second Hand Vaping Harmful? EDGE Vaping 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.