maybe soften the dark edge around the mouth and add one small shadow under the lower lip, then use a clearer light side on the face so the skin feels less flat.
i dont know what its missing i feel like the piece is not finished and that she looks somehow plastic like any tips on the rendering ? Also tips on anatomy would be very appreciated because i feel like the facial features are a bit too cartoony especially the mouth so any alternatives for the mouth
maybe soften the dark edge around the mouth and add one small shadow under the lower lip, then use a clearer light side on the face so the skin feels less flat.