I want to use a face from a savegame for an NPC in a mod I'm working on. I'm not sure if I did it right or in the proper way. This is how I did it.

1. I used Wrye Bash to import a face to an empty pcfaces.esp, then I loaded that esp together with another mod I'm working on into the CS.
2. I copy/pasted the face from the savegame NPC created by Wrye Bash to the NPC I wanted to alter.
3. I saved the mymod.esp, of course now pcfaces.esp has become a master for mymod.esp.
4. I removed and backupped the pcfaces.esp to another folder and then loaded mymod.esp into the CS without the master.
5. I saved mymod as mymod01.esp

Now mymod01.esp does not have pcfaces.esp as a master anymore, the face of the NPC looks fine. I tested the mod ingame and everything works ok, no crashes or weird behavior.

Did I do this correctly or could this lead to problems?

Step 4 - the easier way to remove masters is with TES4Gecko, but what you did shouldn't cause problems.

Thanks, I'll get TES4Gecko and try that out.