How Old Do You Need to Be to Vape? Wisconsin lawmakers are reintroducing a bill to align state tobacco law with federal regulations that have required buyers to be at least 21. Since 2019, federal law has prohibited tobacco sales to Can You Buy Vapes at 18? Mr Fog Enjoy To The Last Puff 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 The New Federal Minimum Vaping Age Won't Protect Young People