all but the helmet looks pillow shaded there, I kinda respect the way you tried to depict the detail on the helmet but honestly it doesnt much work out for me either.
I can see the pillowshading comes from imitating the original sprite, but the original sprite is kinda passable because doesnt have a shade that is bright enough to make it look like it has highlights, so it's almost like there's only Selout going on in there.
But when you went and put a white highlight on it, it starts looking like pillowshading because now you're going all the way from outlines to highlights, unlike the FF sprite that only goes from outlines to midtones.