Here is the early release of Part 10. This video shows how to make a roughness map to add glossy lips and a slight sheen to the skin.
I will add bookmarks, timestamps, and post the blender file shortly.
video: https://youtu.be/_l3su14sxUI
Textures:
https://drive.google.com/drive/folders/1CDquYjUWRAc7vMF38UyMkrBRU2gvOTLy?usp=sharing