Based on how Enhanced Character Edit accomplished exporting character face meshes from CreationKit in the original Skyrim, I theorized you could do something similar to port a character’s face.
This is not so much a tutorial as a list of steps I took to port my character, Raeza, to SSE. This is an advanced “guide” that makes some assumptions about the reader having a basic understanding of the toolset used (Blender, Bodyslide, and CreationKit), including how to install plugins in Blender.
How I ported Raeza to Skyrim Special Edition