So in other words it can be done?
That is just preservatives. He admits (by default) the other stuff. I wish he was still active here. He could put a better spin on this.
As far as I know tobacco was produced and sold successfully for many a years under the old British purity laws.
My understanding of purity laws was in regards to things that add weight to the tobacco. But, when I think purity laws, I think all sorts of godawful chemical smells that are commonly used in perfumes and possible chemical warfare. NOT, pure unadulterated tobaccos.