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 How Old Do You Have to Be to Vape MONVAPER How Old Do You Need to Be to Vape? Get the Facts Now! Headshop.com Legal Age For Buying Vapes You Must be 19 Years Older to Purchase Vape Cigs and What's the Legal Age to Buy Vape? Vaping Laws Explained. 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