I can't find your post about it, but I just recoiled a friend's
kayfun, and he wanted rayon in it. He gets the same dry feeling in the back of his throat, or maybe just agreed with me..cuz he wouldn't use it if it was the same..
I really don't understand.. I can put too much in, and I can cause it to be dry in my mouth. I can put too little in, and it's pretty hot and shrinks..which is a good sign (in Lmy s dtainted head

).
But I will say, I cover my wick wells with it...I put a huge 1/8"coil in one. *diagnoal kfl build* I had to cut about 20% of the wick short, and I curled it like a typical diagonal
kayfun build. I always covered my wells too..before rayon.
I'm not concerned about rayon/cellulose fiber. Jeremy put this thread up months before the sally's cellucotten exploded. As long as you're using 100% rayon/cellulose fibers, the only things I would worry about is the long term effects of flavorings and bases.