Understanding the Legality of E Cigarettes in Thailand: What You Need to Know The Absolute Best E Cigarettes (Top Brands Tested) FDA: Once Dominant E Cig Brand Juul Must Exit U.S. Market Thai police clarify that using e cigarettes in Thailand is not illegal, but selling and distributing them remains banned. Electric and electronic cigarettes are illegal in Thailand Prohibition on importing by tourists THAILAND.GO.TH