Solar-cured tobacco, Bastam, Iran Curing and subsequent aging allow with the sluggish oxidation and degradation of carotenoids in tobacco leaf. This generates specific compounds while in the tobacco leaves and provides a sweet hay, tea, rose oil, or fruity aromatic flavor that contributes to your "smoothness" with the smoke. https://devinrldtl.wikimidpoint.com/5035019/smoke_for_dummies