As a result of this technique, the contrast has been reduced and saturation has been increased. Below are optional steps to restoring the original contrast and saturation.
The photo should now show more detail than the original. However, you'll notice that the contrast has been reduced as a result of this technique. To fix this, simply create a new Brightness/Contrast adjustment layer (Layer> New Adjustment Layer> Brightness/Contrast) and increase the contrast. Make sure that this layer is the top layer.


Duplicate (Ctrl+J) the Background layer and move it to the top in the Layers pallet. Change the blending mode to Saturation and adjust the opacity to adjust the strength of this layer.

Rollover the image below to see the before and after effect.

Rollover the image below to see the difference between the two techniques.

The Shadow/Highlights tool produces lower quality results with halos between high contrast edges.