You don't see it as much today as you did when I was young, but occasionally you'll encounter a woman of a certain age with white hair tinged blue or purple. What were they thinking? Jill Harness has the lowdown on why some elderly women have blue hair and why the phenomenon is "dyeing" out. Link
(Image credit: Flickr user Roland Tanglao)
@Miss C: My local store still carries bluing and I use it on things that are not safe to be bleached. Works wonders.