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 Secondhand vape plumes could form lung damaging radicals American Chemical Society Have you heard of Third Hand Smoke , When most people think about the risks of smoking, they picture first or second hand smokethe smoke you inhale or breathe when someone lights up near you. But Symptoms Of Second hand Vape Smoke 2nd Hand Vape Smoke Side Effects Health experts say not Thirdhand Smoke Resource Center Protecting Californians Can I be Affected by Secondhand Vape Smoke?