Should 20 year olds be allowed to smoke? Why Hawaii says no CS Monitor Tobacco 21 How old do you have to be to buy a vape? Juicemate Vape Age Laws: Minimum Age to Buy Vapes in the U.S. & Online NC lawmakers debate raising tobacco purchase age to 21 amid vaping crisis 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