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 You'll have to be 21 to buy cigarettes or vape products in Washington starting Jan. 1, 2020 KNKX Public Radio E cigarettes: Facts, stats and regulations How old do you have to be to vape? Freeton Premium Disposable E cigarette Brand Teens who vape are more likely to become teens who smoke — and smoke more often Los Angeles Times More children are being poisoned by e cigarette liquids. Here's what parents need to know