Teen vaping 'epidemic': FDA to limit sale of sweet e cigarette flavors 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 Are kids using disposable e cigarettes to get around the vape flavor ban? Federal lawsuit alleges R.I. ban on flavored vapes is unconstitutional Rhode Island Current