in that picture it doesn't look like your missing any scales but it does look like your bp has a stuck shed on her head. What i recommend doing is get a plastic tub like on your housing your snake in fill the tub up enough to submerge the snakes body but not to much so that the snake floats. If your snake floats you have to much water and should drain it to the recommended amount. Leave the snake in the water for o 20-30 minutes. then come back with a towel or something like a towel and have the snake slither through it.

Btw make sure the water in the tub is luke warm around 79degrees.