Solkwyb one of the main characters for the Marauder quests has different hair colors at different points of the game.
http://assets-cloud.enjin.com/users/...al/2054326.jpg
http://assets-cloud.enjin.com/users/...al/2054319.jpg
Pink in one and silver in another. It changes in the middle of one quest so I doubt she ran to the currently non-existent barber shop.