There are a few things you need to know if you want to Photoshop someone’s face into another person’s. First, make sure that the person you are wanting to change their face into is willing to be changed. If they are not, then it is best to find someone who is. Second, make sure that the person you are wanting to change their face into has a good enough likeness of the original person. Third, make sure that your Photoshop skills are up to par. Finally, be patient and have a lot of patience when working on this project. Once everything is set up and you have your target person’s face in your Photoshop file, it will take some time and effort but it will be worth it in the end!