How to Buy a Vape on a Tight Budget 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 The FDA Regulations say the minimum age to sell tobacco and vaping products is 18, but it may be different for your store. We Card Vape Age Laws: Minimum Age to Buy Vapes in the U.S. & Online How Old Do You Have to Be to Vape? Find Out Here Headshop.com Central Vapors Age Verification FDA Required Age to Vape Regulation