1. Open the original image material, press Ctrl 1 to bring up the red channel selection, create a curve adjustment layer, press Ctrl 2 to bring up the green channel highlight selection, create a curve adjustment layer, and then press Ctrl 3 to bring up the blue channel highlight selection. Create a Curves adjustment layer.
2. Double-click the red channel curve adjustment layer. The curve settings are as shown below. After confirmation, change the layer blending mode to "Soft Light".
4. Use the green channel curve adjustment layer and set the curve parameters as shown below. After confirmation, change the layer blending mode to "Soft Light".
5. Use the blue channel curve adjustment layer and set the curve parameters as shown below. After confirmation, change the layer blending mode to "Soft Light".
