how old do you have to be to vape Definitive Guide What is UK age limit for vaping? Number of children trying out vaping rises 50% The Standard Florida bans sale of e cigarettes to minors, starting July 1 Island Vape Shop Vaping is NOT Harmless. Know the long term effects before it's too late! Most e cigarette liquids contain high levels of nicotine, which is highly addictive. Despite the legal age being 21, vaping devices Electronic Nicotine Delivery System flavor use over time by age group in the US: A longitudinal analysis Did you know? The Tobacco 21 law raises the legal age to buy tobacco and vaping products from 18 to 21. Why? To help protect young people from a lifetime of addiction.