How does PS fade and deepen the skin color to make the characters look three-dimensional?

1. Open the ps software first, and then open Meitu.

2. Right-click the background layer in the Layers panel.

3. In the pop-up menu, select Copy Layer.

4. Select the background copy you just copied.

5. Find the deepening tool in the toolbar.

6. In the property bar, set the brush thickness to 30, the range to midtones and the exposure to 36%.

7. Click on the position shown in the figure to deepen the selected area.

8. Then choose filtration-liquefaction.

9. Select the extension tool on the toolbar.

10. Set the parameters as shown in the figure below.

1 1. Click the mouse on the can bone and finally see the effect. Does it add some three-dimensional sense?