BLUE TONGUE SKINKS

My bluey is showing a weird white spot on her scales, it rough and does not come off when i give her a wash. She still very energetic and exploring but im concerned as she hasent shed in long time and is not eating much (though it is winter)
Sorry for pic quilty as i have bad phone

Hi there. I am not sure exactly what this spot is, but what are your temps and humidity? Also I always say, when in doubt get it checked out. Make sure the vet specializes in Exotics. Good luck!