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 E Cigs and Second Hand Vaping: Dangers and Protections We protect kids from cigarette smokelet's do the same with vaping. Secondhand vape isn't harmless, here is what parents need to know: https: www.undo.org disease secondhand vape Protegemos a los nios del humo del tabaco, hagamos 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 Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center