Old Man Portrait

Hello guys , I’ll try to complete this old man portrait , but I am looking for good Idea for final product
I do sculpting in zbrush , blender & cycles for scene & render , hope you like it
need your advice to improve this work



new helmet & facial hair test




Hairs! He needs eyebrow hairs and you should put old man hairs anywhere you can. Also the scale of the sub-surface might be a tad large in that second photo.