This is the final work image of a tutorial I created for Gnomon Workshop called Lighting the CG Portrait. Check it out here: https://www.thegnomonworkshop.com/tutorials/lighting-the-cg-portrait

Model/Textures created by the talented Satoshi Takazawa https://www.artstation.com/satoshitakazawa
The shaders were recreated in Vray Next by me.