Solar-cured tobacco, Bastam, Iran Curing and subsequent aging allow for that sluggish oxidation and degradation of carotenoids in tobacco leaf. This creates sure compounds within the tobacco leaves and offers a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes for the "smoothness" of your smoke. Notice: https://broadfar.com/heated-tobacco-shaping-a-safer-sustainable-smoking-future/