Hux distrusted masks on principle, but he was glad for Ren’s because it spared him the indignant assault of the Supreme Leader’s hair. A good leader led by example, and Ren’s hair was the furthest thing from regulation. A small detail, to be sure, but details mattered, and this one represented everything Hux hated about Ren. He was the exception to everything. Outside the rules. Disordered.