Fixing hairlines the easy way by Mama
How to Adjust a Person's Hairline on a Portrait Photo
Shows how to avoid getting "bleed" when using the healing brush tool for covering stray hairs on the face near the hairline.
http://www.youtube.com/watch?v=XmWS6bi0BWYVfY29tcGxldGVfcGljdHVyZS8wOF90Y3BfMDA2LmZsdj9yc3NfZmVlZGlkPTE0ODMmeG1sdmVycz0y&w=600&t=http://tv.adobe.com/vi+f1483v1277&h=385">