I think that's NOT old age
...something funky is going on...
With TJ it is almost at 1/2 inch from the brown line going back on the top and the sides, but he has little fuzz hairs and than at the 1/2 inch line, the hair is normal, thick and long.
I have the Malaseb Shampoo Chlorhexidine 2% and I think I will start to use that on his nose...
Maybe you should do the Vitamin and Mineral Tests at U of M