Oh, and in Book 0 of the webcomic Flipside there's a female semi-antagonist who can control her hair. I don't know if it counts as process as it seems to be an ability that she can control, but since such things have been posted in this thread earlier, at least someone could find it interesting.
http://www.flipsidecomics.com <-- The webcomic.
http://www.flipsidecomics.com/comic/book0/fs14titl.html <- The title page for the chapter where she makes her first appearance.