Board Thread:Questions and Answers/@comment-26155961-20150228185909/@comment-2601:800:8080:11DD:9DA8:78F4:5B4B:4D65-20180330172235

his hair turns white for his body to deal with the stress. it's an actual science. he was finally broken by Jason be finally gave in to his ghoul half and pretty much let that take over hence the canabal binge he went on. as you can also see he is no longer the soft kaneki that part was broken and killed.