Oh, that's lovely. Someone actually moved beyond the grass tile in their tutorials for once!
"The problem is that hair is finer than a pixel and therefore is very difficult to represent. Sad, huh? I guess we'll have to give up."That made me go lol.

Someone here may be able to help tweak the translation if needed. I found the description about hair and the xenodrogen palette picking method a bit confusing, but I don't know if that's the translation, the explanation or the concept itself. Regardless, I'm very happy to see another extensive tute out there that goes beyond AA, dithering & grass tiles.