Explainer: What are e cigarettes? NUCIG UK Brand Premium Rechargeable Electronic Cigarette Starter Kit Electric Cigarette Vape e Cigarette kit Without Nicotine Without Tobacco (GREEN GLOW) : Amazon.co.uk: Health & Personal Care 6 important things to know about IQOS E cigarette Characteristics, Safety Issues, & Regulation Britannica Electronic cigarettes (e cigarettes) are sometimes called e cigs, vapes, vape pens, and electronic nicotine delivery systems (ENDS). E cigarettes come in many shapes and sizes. Most e cigarettes contain nicotine. Get the facts about e cigarettes,