Responses
One started bleaching his hair while the other stopped looking like a Yankee for the kid sake? Not really something to be confused about.
At first i was also confused but i started distinguish them from the eyebrows!
It's 10 long years. People change as well as their image (+ hair color )
IMO it's kinda a fail on the artist's part to have switched up the hair color between the two main characters like that. It made things way more confusing and difficult to follow than it needed to be.