It’s hard for me to say how, since I particularly enjoy drawing portraits and so I have a relatively good understanding of facial anatomy and where light and shadow tend to naturally fall on the face, and I don’t really do a ton of painting. Other than that, the facial details are pretty clear. The eyes, ears, nostrils and lips are more defined, like they’ve been painted out as you would with a realistic portrait painting. Then the less focused highlights and shadows and colors of the skin and face are sort of splopped (I doubt that’s a real word) on in a way that complements the natural lighting and shadows but isn’t as clearly defined as the distinct features. I do think it’s really interesting, though, and now I want to try.