Two Cases of Allergic Contact Dermatitis Caused by Coco Betaine in Clobetasol Propionate Shampoo. - Iijima, Shigeruko; Murayama, Kayo; Takayama, Noriko; Sugiyama, Mariko; Matsunaga, Kayoko; Nandi, Semonti (Case Reports in Dermatological Medicine, 2026)