This console command will set your character's head to the head with the specified ID. Find a list of head IDs at commands.gg/witcher3/heads. Use the removecustomhead command to revert to your character's default head.
The syntax for the setcustomhead command is as follows:
This command has the following arguments:
|'Head ID'||The ID of the custom head you wish to set your character's to. Apostrophes should be on either side of the ID.|
Find below working examples of the setcustomhead command.
This console command would set your head to the custom head with ID head_1.