Board Thread:Mod Discussion/@comment-179.182.97.73-20150925171543/@comment-6881629-20150925174238

That mod makes the crown a helmet not a circlet and helmets replace hair, the top most comment (now anyway) on the mods comment page tells you how to fix it in the Creation Kit. Or get rid of the crown uninstall that mod and and get one of the other mods (like this one).