OK, so I was bored, and did a little online search re: washing hair with beer. Lots of sites out there, but I thought these were the most interesting. (Insert typical disclaimer here: I'm not endorsing or suggesting any sites, blah, blah, blah...) Just thought you might like to see and decide for yourself.
http://www.ukhairdressers.com/strange_but_true/strange_but_true.asp
http://www.briefme.com/archive.php/article/11216
http://de.essortment.com/naturalhaircar_regv.htm
http://my.webmd.com/content/article/85/98463.htm?z=3734_00000_1000_lb_05
Hey, cheers for these Wannabe Sampson, very interesting.
Grim