Help! What is this?

[FPS_Fein]

Hi, i just need help identifying what this is and how to treat it. Thank you!
https://ibb.co/kNBBEF

[TRD]

http://i68.tinypic.com/nclb7m.jpg

Looks like some sort of damage from either rubbing something with his head, or a very very bad shed. Hard to see from this pic but would anyway say you need to go to a reptile vet because the underlying cause can be very different from the symptoms.