In this tutorial you'll learn how to give portrait photos a dramatic look, with strong, cinematic exposure and sharper definition.
To get the best results your photo should have good lighting, with strong shadows and highlights.
First of all, duplicate your background layer, and call the duplicated layer 'High Pass'.
Next go to Filter > Other > High Pass, and set the Radius to 2 pixels.
Duplicate the High Pass layer, and change both layer's blending modes to Overlay.
You'll notice the image is now a lot sharper, with harder edges, and more defined skin pores.
Next add a Hue/Saturation layer, and take the Saturation down to -70.
And finally, add an Exposure adjustment layer, tweaking the sliders as I have above, so the highlights are stronger but the shadows remain dark.
Here's the final outcome.