A range of chemical and processing treatments applied to photographic prints, papers, or films to enhance their longevity and resist fading, discoloration, or deterioration over time. These treatments may include the use of acid-free papers, proper washing techniques, stabilizing chemicals, and protective coatings. Archival permanence treatments are essential for preserving fine art photography, historical records, and important images, ensuring that they remain stable and maintain their quality for decades or even centuries when stored and displayed correctly.