1. First, open ps and import pictures.

2. Copy your picture first.

3. Open the channel, choose the color contrast, and choose the blue channel here.

4. Then copy the first layer of the blue channel, drag it to the next+symbol, and then release it.

5. Filter the menu, others are Gao Fancha, and the value is 10.

6. Wipe off the parts that don't need the skin with a brush.

7. Select the selection, press the ctrl key and the left mouse button, and then click the blue channel to display the selection.

8. Go to the layer and click on the layer 1.

9. Copy the selection again and brighten the black part of the face with curves.

10. Highlight some brown parts, and then extract the whole picture.

1 1, and then continue the initial part, open the channel, select the blue channel, copy a layer, and then keep it in Gao Fancha, wipe off the parts that don't need the skin with a brush, then repeat the calculation three times, and then continue to repeat the initial part.