I need to know the technique for lightening shadows on faces. I have a photograph with a cast shadow on part of a person's face and need to lighten or eliminate it. There's a book that explains it and I sat in a seminar that taught this, but I can't find my notes! Thanks.

Just use levels or curves to adjust the shadow area to how you want it, take a snapshot, then revert your image and use the history brush to paint it back in. If your image is suitable for a tutorial (ie: you have permission from the subject) email it to me and I'll make one.

Addintg to the above, try these actions.

click here (http://www.retouchpro.com/forums/showthread.php?s=&threadid=2653)

the action is "dpreview actions v.o6a"

I think its name is "coming out of the shadows"...........something like that..... Or "shadow lifter". For rgb use.
You can also edit the black channel as well if your in cmyk.

John