Cleaning of old icons requires special attention to selecting the processes and systems compatible with the chemical nature and adhesions of the deposits. to not affect the polychrome layer or their conservation status. The study was carried out on a 19th century icon made in fat tempera. on a thin layer of preparation that presents fouling. https://www.ealisboa.com/super-pick-Neon-Green-Kenya-Tree-Coral-save-extra/