How Electronic Cigarettes Work HowStuffWorks How E Cigarettes Work Vaping Royal Oak, MI How to Use an E Cigarette in 4 Easy Steps VapeMountain.com E Cigarettes Vaping with Juul & Other Electronic Cigarettes Vaping refers to the use of an electronic cigarette, or other vaping device, to breathe in an aerosol, often containing nicotine, flavouring and other chemicals. Unlike cigarette smoking, vaping doesn't burn tobacco.