You'll have to be 21 to buy cigarettes or vape products in Washington starting Jan. 1, 2020 KNKX Public Radio Step by Step Guide to Using the GeekVape M100 100W Kit The Vape Mall 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 Where do those underage get tobacco and vapor products?