You're all crazy - boil it for 4 hours clean up the big chunks with a knife put it back in the boil for 4 more hours. Everything will be cooked. Clean it up with a driml tool and an air chuck. Then paint it white. I spray paint in the eyes, nose, and sinus then follow up with a brush on the rest.
I've done it the hard way before with peroxide and bleach but after finding this way it just makes sense and you end up with uniform euro mounts and no broken noses or cracking of the bones behind the eyes, etc.