In September 2025, a wide range of developments have transpired in the field of dermatology, including new research into dermatologic disease states and approvals of medications such as remibrutinib and guselkumab by the US Food and Drug Administration (FDA) . These developments, along with the occurrence of the European Academy of Dermatology and Venereology (EADV) Congress in Paris, made September a uniquely eventful month in the dermatology space. In this summary of notable dermatology headlines in the month of September, we cover an array of developments in skin health news, though HCPLive’s September coverage of EADV is included in a separate summary. It was authored by such investigators as Saori Takamura, from the Saitama Medical Center Department of Dermatology in Japan. This study was authored by such investigators as Mio Nakamura, MD, from the Department of Dermatology at the University of Michigan, Ann Arbor.