If you currently smoke or vape, quitting is a great resolution for the new year. Another goal for 2020: Know the law. Starting January 1, it will be illegal in Washington to How Old do you Have to be to Buy a Vape? It's Official: Legal Age To Smoke Or Vape Changed To 21 Did you know that the legal age to purchase and use vaping products in the United States is 21 years of age? For more information about youth nicotine use visit https: med.stanford.edu halpern felsher reach lab parent corner.html 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 Consensus Reached On Smoking Age Increase Legislation