Yes, Jungkook has dyed his hair.
Jungkook, a member of the South Korean boy group BTS, has experimented with various hair colors throughout his career. One notable instance was in February 2021, when he debuted blue hair. This change sparked considerable excitement among fans (ARMY), with many speculating that it signaled the imminent release of his highly anticipated mixtape. His hair color changes are often a topic of discussion and anticipation within the BTS fandom.