I'm still doing the 100 head studies :)

i've updated my blog post with my latest head studies : https://www.artstation.com/rodreidizon/blog/1rpj/100-head-studies-in-progress-as-of-28-may-2019
This artwork is one of them that i've spent more hours on.  
Painted in procreate

Ref https://pin.it/rsc3dbfc562qmx