How Old Do You Have To Be To Buy A Vape (Age Restrictions & State Laws) 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 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 How Old Do You Have to Be to Buy a Vape Vape Age Laws: Minimum Age to Buy Vapes in the U.S. & Online