Original picture

final effect

1. Open the original image material and create a hue/saturation adjustment layer. The parameter settings are as shown in Figure 1-3, and the effect is as shown in Figure 4.

<Figure 1>

<Figure 2>

<Figure 3>

<Figure 4>
2. Create a new layer, press Ctrl + Alt + Shift + E to stamp the layer, and then execute: Image > Apply Image on the stamped layer. The parameter settings are as shown in Figure 5, and the effect is as shown in Figure 6.

<Figure 5>

<Figure 6>

<Figure 7>
3. Press Ctrl + Alt + 1 to bring up the red highlight selection. Press Ctrl + Shift + I to invert the selection. Press Delete to delete. After deselecting, change the layer blending mode to "Color Burn" and add a layer mask with a black brush. Erase out the character's face and background trees. The effect is as shown in Figure 7.
4. Create a curve adjustment layer, set the parameters as shown in Figure 8-10, and the effect as shown in Figure 11.

<Figure 8>

<Figure 9>