Looks like you are off to a good start. The hair will need some work I think. It is hard to tell about the detail of your texture from the picture you posted. Possibly a larger close up would help. You might want to render a face shot with the camera set at 55mm or higher. Many I thing perfer upwards to the range of 100 for close ups to give better indication of details and to flatten the distortion you get from the camera at lower settings, such as the default 25mm. 50-55mm is consider to be equal to the human eye. Settings below that are generally prefered for panaramic shots, where as setting above that are most common for those up close and personal zoom shots.