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 E Cigs and Second Hand Vaping: Dangers and Protections Effects Of Second Hand Vape Smoke Thirdhand Smoke Resource Center In secondhand vape, scientists smell risk American Heart Association What Are the Risks from Secondhand Vape Smoke? NVB Inc. Does Vape Have Second Hand Smoke E Cigs and Second Hand Vaping: Dangers and Protections