Awesome, you still can improve it by editing lips area in the texture. this picture may help you to do that.
http://ey.aries.uberspace.de/wp-content/uploads/2013/01/fischer.jpg
http://www4.images.coolspotters.com/photos/839105/viktor-fischer-and-ajax-gallery.jpg
http://ey.aries.uberspace.de/wp-content/uploads/2013/01/fischer.jpg
http://www4.images.coolspotters.com/photos/839105/viktor-fischer-and-ajax-gallery.jpg