Is using IQOS safe or risk-free?

No, we can’t say that at this point. While switching completely to IQOS presents less risk to your health, IQOS is not risk-free and delivers nicotine, which is addictive. If you are concerned about the health effects of smoking, your best option is to quit tobacco and nicotine use altogether. However, switching completely to IQOS is a better choice than continuing to smoke