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 Vape Bans: E Cigarette Restrictions in the U.S. and Worldwide Vaping360 Illegal Chinese e cigarette industry flooding US vape market Only 23 e cigarettes are currently legal and authorized for sale in the U.S.and they're not these. Thousands of unauthorized vapes are pouring into the US despite the FDA crackdown on fruity flavors AP News