Texas health department investigating link between lung disease, vaping What's the Legal Age to Vape? Everything You Should Know How Old Do You Have to Be to Vape BOOST! Just a reminder, the minimum age to buy nicotine products in Indiana is 21. This means retailers are prohibited from selling cigarettes, e liquids, and e cigarettes to anyone under age 21. We NC lawmakers debate raising tobacco purchase age to 21 amid vaping crisis Vaping Talk Now AZ