1, first open the PS software, insert the photo of the person who wants to retouch, and press the shortcut key Ctrl+J to copy a new layer to prevent the original image from being destroyed;

2. Next, look at a row of columns on ps, select Filter-Noise-Noise Reduction, then pop out of the page, click Advanced and each channel, and select the setting parameters of red, intensity 10 and detail 100%.

3. After the last step, select Filter-Sharpen -USM Sharpen again and fill in the data in the pop-up interface. The number of command parameters is 80, the radius is 1.5, and the threshold is 4;

4. After whitening the photo, remember the shortcut key Ctrl+Shift+Alt+N to re-establish a transparent layer;

5. Then, click on the upper channel after completion, hold down the shortcut key Ctrl and click on the RGB channel and never let go, and a choice will appear;

6. Go back to the transparent layer and fill the selection with white;

7. Click the left key to add a mask on this layer after the end, and then use a black brush to erase the part that does not need to be whitened;

8. If the effect has not been achieved, you can appropriately reduce the brightness and adjust it according to your own needs, that's all.

9. Did the character look much better in the end?