Quote Originally Posted by cls515
I have heard that propylene glycol can alter the taste of a cigar. I do not know, because I have never used the stuff. I use the beads and would not want to use anything else. PG is a fungicide, and fungal cells are similar to human cells. I have read over the internet that PG is an irritant for humans. So I don't use that stuff.

I think you might be getting Propylene Glycol and Ethylene Glycol mixed up. PG is in all sorts of stuff, toothpaste, deoderant, food coloring etc. Where as Ethylene can screw up your blood filitering organs and nervous system.