Skin Shader and Face Textures now available: https://sites.google.com/view/universalhuman#h.91dca99i61kb
Hand-made in Blender & Krita, rendered in Cycles on 2008 vintage PC & Surface Pro 4 in ~2 ½ months. Upscaled from 1080p to minimise compression artefacts. Soundtrack by me. Website, Gumroad, WIP and Twitter links below:

https://www.chrisj.com.au/
https://gumroad.com/cjones
https://blenderartists.org/t/human-progress/1143224

Thanks for the comments!