Hey, I wanna play too!
1)
Degrunged
2) In LAB, corrected the forehead glare (Luminosity curve);
3) Made a Gradient Map to match the skin, and masked this in to correct the blown-out yellows;
4) Brought out more detail in the hair using an Adaptive Equalization layer with Soft Light blending masked in;
5) Masked in a Levels adjustment to darken the outside (vignette);
6) In RGB, auto-levels layer, varying opacity to taste.
Rô