I'm basically 99% certain it is stronger than eyelash glue.
At the very least, we used some on my brother, and then I couldn't find the spirit gum remover for a little while and we couldn't get it off any other way that we tried.
I think a large enough amount of it should work for a beard, even a big fluffy beard. Doesn't hurt to get some and test it out to see if it works well at any rate.
-Katsucon- -AnimeNEXT- -Otakon- -Dragon*Con- -NYCC-2013 Cosplays~
Pioneer(AC III); Celes Chere-opera gown(FF: VI); Dr. Princess(Adventure Time); Eowyn- green dress(LOTR); Lux(League of Legends); Magik(X-men); Black Canary(DC Comics)