Many times the head piece will come off first and not be attached to the shed skin. You can soak it in water now if you want. Just remember, warm to us it hot to them. Use a thermometer to make sure the water is a good temp.

If your misting and your humidity has been good I'm sure he will shed soon by itself. Just check every hot to make sure it doesn't get stuck around it, cutting the circulation off to the rest of the body.