white tail

My beardies tails has always been a different color than his body. Is that normal? Also it’s extra different than normal right now. Is it because of stuck old shed or is it new shed. I new to the lifestyle and trying to absorb as much knowledge as possible. Thanks in advance!

My bearded dragon has what I presume to be yellow fungus, a ring around the end of his tail was a strong yellow. I immediately set up a very appointment. Since the appointment was so far out, I decided to take measures into my own hands while we waited. I started putting some antibacterial cream...