[navillusc]

Originally Posted by Maximo

LOL, he is around Teddy a lot. Teddy is his boy.

That might explain why Teddy's lighter hair is not quite as silky as Max's dark steel blue back.

I found this relative to human hair. My brain can't quite comprehend the explanation on a Saturday night.
pigmentation - Why can white hairs get dark again? - Biology Stack Exchange

Very, very interesting. Thank you. I am still reading...