Properties panel or Layers panel.Because you selected the skin tones before applying the Curves adjustment layer, the skin color
shifts but the background is unchanged. The adjustment affects slightly more of the image than
the skin itself, but the effect blends well and is subtle.
Applying surface blur
You’re almost done with the model. As a finishing touch, you’ll apply the Surface Blur filter to
give her a smooth appearance.
1. Select the Corrections layer, and choose Layer > Duplicate Layer. Name the layer Surface
Blur, and click OK in the Duplicate Layer dialog box.
2. With the Surface Blur layer selected, choose Filter > Blur > Surface Blur.
3. In the Surface Blur dialog box, leave the Radius at 5 pixels, and move the Threshold to 10
levels. Then click OK.