Chem. Commun., 2026, Accepted Manuscript DOI: 10.1039/D6CC02290A, Communication Marta Costa Verdugo, Virginia Martinez-Martinez, Laura Hernandez-Fernandez, Francesca Re, Elixabete Rezabal, Luca Salassa Choline-geranate (CAGE) ionic liquids are emerging as powerful topical delivery media, yet their impact on the photochemistry of metal-based phototherapeutics remains unexplored. Here we show that CAGE ILs can substantially...