The black hair photo of Eunseok posted on Rise's Instagram suits him well.

I think it's the first time I've seen Eunseok with such dark black hair.
Among the hair dyes, it is dyed with a color similar to real black, so it is a wig.
I think it's black hair that's so black that it's hard to tell if it's real or not.
But I think it suits you well because you cut your hair short. There's no style that doesn't suit you.