Sunshine-cured tobacco, Bastam, Iran Curing and subsequent growing older enable with the sluggish oxidation and degradation of carotenoids in tobacco leaf. This creates particular compounds within the tobacco leaves and offers a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes to the "smoothness" of your smoke. https://broadfar.com/nuso-heated-tobacco-smarter-alternative-to-traditional-smoking/