sci-fi portrait reloaded

an oldy with some new features, like better skin shader, better lights, hair etc.
I couldn't decide wich render I liked the most, so I uploaded everything :D
you can find the custom skin shader that I used at this link:
https://gumroad.com/maxpuliero

I have to say thanks to https://hdrihaven.com/hdris/ for the amazing HDRI they provide.