Age Requirements for Buying Vapes: What You Need to Know Clutch Vape How Old Do You Have to Be to Buy a Vape? Smack Boyz Tulsa Guide You'll have to be 21 to buy cigarettes or vape products in Washington starting Jan. 1, 2020 KNKX Public Radio NC lawmakers debate raising tobacco purchase age to 21 amid vaping crisis Did you know? The Tobacco 21 law raises the legal age to buy tobacco and vaping products from 18 to 21. Why? To help protect young people from a lifetime of addiction. Where to Buy a Vape Online without ID or Signature Required?