What's the Legal Age to Vape? Know Vaping Age Regulations How Old Do You Have to Be to 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 Teen Vaping: Loopholes in age verification causing easier access to e cigarettes 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 Need to Be to Vape?