Hiya! I'm Alas. My aim is to make this portrait as realistic as possible with a limited palette/low resolution. I feel that something is wrong with the cheek that is in shadow, but I can't put my finger on it. Any other feedback is always appreciated. I'm also not sure that his eyes are the correct shape and size?





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Nice work!
I feel like the distance between his mouth and his eyes is a tiny bit to long, his real face is less elongated I guess?

Hair is tricky and I wouldn't know how to do it well either, but it does feel a bit like a bunch of worms, perhaps be more careful with the highlights? Fewer of those gives less attention to individual strands.
And last, his head seems slightly cut off on the left (our left) top.

Good luck working on this!