E-cigarettes are battery-operated devices that hold and heat e-liquids. They emit vapours that users breathe in. E-liquid often contains nicotine, the same drug in regular cigarettes, which means that vaping can become addictive. E-liquids also can contain chemicals like propylene glycol, glycerol, and ethylene glycol. You can read our electronic cigarettes and vaping factsheet, and watch our E-cigarettes and vaping in young people – where to from here? webinar to learn more.