1. First, we need to input the PS software.

2. Then we click on the file.

3. Select Open File.

4. Then find a beautiful picture to open.

5. In the ps main interface, we click on the filter.

6. Click the Liquefaction Tool.

7. Use a liquefaction tool to push the hair inward.

8. As shown in the figure.

9. You can handle it again.

10, and click OK after processing.

All the above steps are liquefied by ps.