history of heated tobacco THS Technology: From Early Development to 2024 Iqos - Wikipedia

Scientific studies have shown that switching completely from conventional cigarettes to the IQOS system significantly reduces your bodys exposure to harmful or potentially harmful chemicals

Atlanta, U.S.: U.S

IQOS debuted in 2014 in test markets in Japan and Italy and is currently available for sale in 52 countries

Meanwhile 11.8% of Japanese adults were current users of HTP in 2025, which amounted to 12.9 million people.[19] In contrast, only 2.1 million people in Japan were currently using nicotine vapes in 2025.[20] This is still a significant number of people, but is six times lower than the figure for HTP users, primarily due to the fact that vapes are banned (unless licensed as a medicinal product), while HTP can be legally bought online and in-store