Product class labels used by multinational tobacco corporations
| Terminology used in this manuscript | Korea Tobacco & Ginseng | Japan Tobacco International | Philip Morris International | British American Tobacco |
| New inhalable products | Next-generation products | Reduced risk products | Smoke-free products | Reduced risk products |
| Heated tobacco products | Heat-not-burn products | Tobacco vapour products (directly heated* and indirectly heated vapour† subtypes) | Heated tobacco systems | Tobacco heating products |
| Nicotine vaping products | Liquid vape-type electronic cigarettes | Electronic cigarettes | E-vapours | Vapour products |
Data obtained from https://en.ktng.com/down?fnm=Product_Innovation.pdf&orgFnm=Product_Innovation.pdf; https://www.jti.com/about-us/what-we-do/our-reduced-risk-products; https://www.pmi.com/smoke-free-products; https://www.bat.com/provingreducedrisk
*Refers to heated tobacco products that exclusively use tobacco sticks.
†Refers to ‘hybrid’ heated tobacco products that use tobacco sticks and an e-liquid cartridge simultaneously.