E Cigs and Second Hand Vaping: Dangers and Protections Is Second Hand Vapor from E Cigarettes Dangerous? [Infographic] The Local Brand Vaping Indoors and How it Contributes to Sick Home Syndrome Bactronix First hand smoke comes from all combustible tobacco products. This includes Cigarettes, Cigars, Pipes, Hookah, and VAPES. This is the primary source of nicotine addiction. No amount of Second hand smoke is safe and 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 Is Vaping Better Than Smoking? American Heart Association