Personal Work.
3D Bust - Work in Progress.
Displacement maps done with Texturing.XYZ.
Texture Maps hand-painted in Substance Painter.

Original Art by Guillaume Menuel:
https://www.artstation.com/artwork/dqGnw
https://www.facebook.com/gmenuel/

Software:
ZBrush, Mari, Substance Painter, Photoshop, Marmoset Toolbag