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 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 You'll have to be 21 to buy cigarettes or vape products in Washington starting Jan. 1, 2020 KNKX Public Radio Can I Vape at 16? What is the Legal Age for Vaping in the UK? Legal Age to Purchase Tobacco Now 21 White Cloud White Cloud Electronic Cigarettes