You'll have to be 21 to buy cigarettes or vape products in Washington starting Jan. 1, 2020 KNKX Public Radio How Old Do You Have to Be to Vape By State? The Hemp Doctor A majority of surveyed parents didn't know a person must be 21 to purchase tobacco products in the United States. The federal age limit for buying cigarettes, vapes, nicotine pouches and other 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