What's the Legal Age to Buy Vape? Vaping Laws Explained. 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 Vape Age Laws: Minimum Age to Buy Vapes in the U.S. & Online Did you know? In New York State, the legal age to buy or possess vape products is 21 not 18. That includes: E cigarettes Nicotine vape liquids Tobacco vape products Cannabis vape products The Legal Age for Vaping What Parents Need to Know Pod Salt UK