Hey thanks for getting back to me. I've tried looking through the forum about the inside being sticky but I can't find anything, so maybe I'm the only one who deals with it. I checked Google and it says I might have dry mouth, but I tried Xylimelts for dry mouth and it didn't help with it at all. Really weird.
Anyway, interesting you mentioned that. I actually come from a humid country in Southeast Asia and it never snows there at all, yet I still got this. Maybe EC is different on an individual basis. I do agree it may have been facilitated by physical damage, at least mine surely is after years of picking them whenever they a small part of it chaps up.