Which U.S. States Banned E Cigarettes? Where Vaping is Legal Now How Old Do You Have to Be to Vape? Vaping360 U.S. regulators are stepping up enforcement against unauthorized products, especially imports from China. Only about 41 vape products are currently authorized for legal sale in the U.S. FDA's Searchable Tobacco Products Database Thousands of unauthorized vapes are pouring into the US despite the FDA crackdown on fruity flavors AP News