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 bans sales of pre tax liquid e cigarette stock to curb hoarding CHOSUNBIZ Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica E cigarette vaping in South Korea Global State of Tobacco Harm Reduction