Vape Age Requirements By State How Old Do You Have To Be To Buy Vape Products Vape Minimum Age 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 How Old Do You Have to be to Vape? Age Limits in Various Countries 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 How Old do You Have to be to Vape? VaporFi