Folliculitis decalvans is characterized by a persistent, abnormal subepidermal microbiota. - Matard, Bruno; Donay, Jean Luc; Resche‐Rigon, Matthieu; Tristan, Anne; Farhi, David; Rousseau, Clotilde; Mercier‐Delarue, Severine; Cavelier–Balloy, Bénédicte; Assouly, Philippe; Petit, Antoine; Bagot, Martine; Reygagne, Pascal (Experimental Dermatology, 2020)