Another thing I noticed was the OP didn't follow the concept art palette for making the diffuse map and character. Here is some examples where the people who model the characters from concept art based everything off it down to their original palette with some extra details just added
Right off the bat, its kind of hard to judge the character because she's difficult to make out with your current lighting/blackground, But I'd say your texturing needs love. She feels really plastic right now. Fix that by adding hues of reds and oranges around more flushed areas of her face. She also has a bit of an odd…