Solar-cured tobacco, Bastam, Iran Curing and subsequent getting older permit for the gradual oxidation and degradation of carotenoids in tobacco leaf. This makes certain compounds during the tobacco leaves and offers a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes to the "smoothness" with the smoke. https://broadfar.com/the-benefits-of-switching-to-nusos-heated-tobacco-solutions/