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heat not burn technology

Heat-Not-Burn Technology Explained

Despite the surge in vaping across the UK, not every adult smoker has been fully satisfied by the experience. Many are looking for new alternatives like heat-not-burn tobacco. But what is heated tobacco, and how does the experience of using it differ from using regular cigarettes? Let us explain everything you need to know.

Heat-not-burn products use innovative technology to heat tobacco, rather than burning it. How do they work? While most cigarettes reach temperatures of 850°C, heated tobacco works by only heating the tobacco up to 350°C, which stops the tobacco from burning. When the specially designed tobacco sticks are heated up, they release a flavourful vapour containing nicotine that gives you an authentic tobacco experience - but with no smoke and no ash.

4 major advantages of heat not burn products like IQOS:

  1. IQOS emits on average 95% lower levels of harmful chemicals compared to cigarettes.*

    Important Information: It does not necessarily equal a 95% reduction in risk. IQOS is not risk-free.

  2. No smoke: IQOS doesn’t produce smoke, only a vapour, which dissipates much more quickly than the smoke released by a cigarette.
  3. No ash: IQOS doesn’t produce ash, because the tobacco doesn’t burn.
  4. Less smell: IQOS doesn’t produce such a strong smell as smoking, so users and those nearby don’t have to worry about the lingering smell of tobacco on their hair, hands, clothes and furniture. So your friends, family and pets will be pleased too!
If you’d like to read more about heat not burn technology, including IQOS, visit our information page or pmiscience.com.


*95% less” represents the average reductions in levels of a range of harmful chemicals (excluding nicotine) compared to the smoke of a reference cigarette (3R4F). See important information on IQOS.com.

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This website is intended only for users of nicotine or tobacco products who are over 18.

This website is restricted to adults in the United Kingdom who would otherwise continue to smoke or use nicotine products. Our nicotine and tobacco products are not an alternative to quitting and are not designed as cessation aids. They are not risk-free. They contain nicotine, which is addictive. Only for use by adults. Please visit the Important Information page for further risk information.