semi realistic head

DeathMark1

hay
this my first time to make a semi realistic head please tell me ur opinion and what i can do more to develop myself
this the project link on artstation :
https://www.artstation.com/artwork/oEXQm
this pics from zbrush canvas :

please C&C ^ ^

carvuliero

If you have problem with some form just your face as reference .You can either use your fingers to the form or mirror to see it or take a multiple view shots of your face
Profile looks very weird to me you might want to check on that + neck proportion , brow and fat above the eye , ear angle , nasolabial folds and infraorbital triangle form , jaw line and masseter
Its a good attempt just need some adjustment
Also check post below might be of help to you :
Link: http://polycount.com/discussion/comment/2609621#Comment_2609621