On Mon, 3 Apr 1995, Kevin Lew -- 'The Lai-Lai Boy' wrote:

> Again, I'd like to restate that nobody else in the anime/manga can tell 
> that Ranma's hair color changes (or Shampoo has funny colored hair/eyes, 
> etc.).  Apparently, it's just one of those things that nobody ever notices.

He's right.  If you'll recall, in one of the early Nibunnoichi episodes 
Akane stared directly at Ranma and couldn't tell from the obvious red 
hair that he'd become a girl until she unbottoned her shirt.  It's funny how
many excuses are found for that to happen.

Duane "Ryoga" Johnson