How Old Do You Have to Be to Buy Vapes in the UK? The legal age to buy tobacco is now 21. Here's what that means in Washington state. The Seattle Times LOOK : Under Section 6 of RA11900 or the "Vaporized Nicotine and Non Nicotine Products Regulation Act, only those who are 18 years old and Ds11 Empty 1ml Postless Disposable Vape Pen Dual Airflow BUDTANK How to Know When a Disposable Vape Is Empty: 5 Easy Signs Gov. Ron DeSantis signs bill raising age for tobacco, vaping to 21