Reference model is Liza. Photograph by Paul Apal’kin http://apalkin.deviantart.com
Sculpted and light/material baked in Blender. Color correction and additional texture editing in Krita. Original is 760k Dynatopo sculpt. This is a decimated version (approx 144k) with UVs.
You can see the sculpting session video here ------------Removed-----------------
Edit December 30th 2021 : Removed video and link because Youtube decided to put ads on my non-monetized video/channel. Uploaded a gif of the video instead.....
Liza Portrait