She seems to lack cheek bones, making her face seem very flat.

Brilliant, thanks for that I'll get onto it.

 The left horn is with a kind of pillow shading, while the rest of the creature is with the lighting coming from the left.The eyebrows are too bright compared to the environment that is around you.The nasal septum of the nose is too small and should add a color between light blue illumination face and the neutral blue of the face.