“…[5][6][7][8][9][10] Over the past decades, these advantageous characteristics have driven the progressive employment of nanoscale systems even in Cultural Heritage (CH) preservation, [11][12][13][14][15][16][17][18][19][20][21] a strong interdisciplinary field where materials science merges with industry, social science and humanities. 22,23 Movable and immovable works of art, along with natural and urban landscapes, are crucial socioeconomic resources, provided that they are preserved against damage caused by environmental and anthropic factors. 24 Even though they involve different ethics, a comparison can be made between medicine and CH preservation, Among the systems adopted in Cultural Heritage preservation, gels are highly advantageous since they grant selective removal of unwanted layers from artistic surfaces.…”