You need to work on shading this. The hair is really pillow shaded and the rest of it is not shaded at all. lose the pointless AA on the internal lines on the orange jumpsuit, and instead work on giving him some shape with shadows. Also, push your contrast - what you have is low contrast and I can see it continuing in that direction.
I'd suggest you post a thread in the WIP forum and continue working on this and resubmitting it once you have developed it a little more.
Also, if you used a reference picture, which it looks like you did, you should link to it.
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I'd suggest you post a thread in the WIP forum and continue working on this and resubmitting it once you have developed it a little more.
Also, if you used a reference picture, which it looks like you did, you should link to it.