How Old Do You Have to Be to Vape By State? The Hemp Doctor 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 It's never too early to talk to your teen about the risks of vaping. More than half of Michigan students tried their first e cigarette at age 13 or younger. Get tips and California's smoking age raised from 18 to 21 under bills signed by Gov. Brown New Smoking Age Sparks Debate CSUF News NC child safety panel calls for sweeping tobacco sales reform, including new age limit