She has had blonde hair for 2 years now. Last time her hair was black it was during her pre debut solo but even then she had blonde hair afterwards. Her scalp is strong i would suppose. One day we will get black hair gowon again. But for now we can appreciate the photos from 2 years ago. It was also fun because her first teaser was black and the next was blonde and that was so shocking to us back at the time. Here are some pictures. Lets hope we can get this again one day to save her scalp or get a new color.