How Old do you Have to be to Buy a Vape? 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 Age Verification for Tobacco, Vape & Cannabis Compliance 8 in 10 Support raising the minimum age to purchase tobacco products, e cigarettes, and vaping devices to 21 Tobacco 21 It's easier than you might think for teens to buy restricted e cigarette devices online CNN