Vaping Guide for First Time Users Discount Vape Pen Understanding the Different Types of Vape Devices Vaping Device In In The Mans Hand Electronic Cigarette Vape Stock Photo Download Image Now iStock what is in vape juice 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.