This article clearly states some facts about scabies, one thing that is mentioned near the end of the article is that scabies can live on your face or scalp but in most cases they do not. So it is pretty clear scabies can reside on your scalp and face, which is intresting because alot of people claim they cant. Here you can read more about scabies and some myths she has pointed out
http://ezinearticles.com/?Scabies-on-the-Head-and-Scalp&id=4003942. It seems though that in most cases the scabies have preferred places to live as opposed to living on more exposed areas. Pretty interesting...
Melissa