You'll have to be 21 to buy cigarettes or vape products in Washington starting Jan. 1, 2020 KNKX Public Radio The Legal Age for Vaping How Old Do You Have to Be to Vape? how old do you have to be to vape Definitive Guide Vaporizer and E Cigarette Laws by State 2026 The newly authorized vapes include Bluetooth linked age verification that requires users to confirm their identity with a government ID before the devices can function, as health groups warn flavored products have historically