Though vaping is legal in South Korea, there are several restrictions on their use and sales in the country, including a ban on sales to anyone under 19. According to The Straits Though vaping is legal in South Korea, there are several restrictions on their use and sales in the country, including a ban on sales to anyone under 19. According to The Straits South Korea regulates synthetic nicotine vapes as tobacco starting April CHOSUNBIZ E cigarette regulations strengthening next year as gov't seeks to curb teenage use Smoking in South Korea Etourism Korea DMC