Korea closes loophole on synthetic nicotine to curb youth vaping The Korea Times 2FIRSTS South Korea Implements Law Requiring Full Disclosure of Tobacco Harmful Substances Korea closes loophole on synthetic nicotine to curb youth vaping The Korea Times Korean health agency questions effectiveness and safety of ecigarettes , The Gender Politics of Smoking in South Korea: Part 3 The Grand Narrative 2FIRSTS South Korea's National Assembly Passes Law Classifying E Cigarettes as Tobacco Products with Full Equivalent Regulation