It is nice hair. I wouldn't mind knowing as well. However, it could likely be painted as that seems to be the trend with many promo images these days.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi