Verschmierungen
Verschmierungen is the German term for smears or smudges that appear when pigments, ink, or other media are displaced or spread by contact, moisture, or handling. The phenomenon can occur unintentionally, as a result of working conditions or storage, or it can be produced deliberately as a stylistic effect.
In painting and drawing, Verschmierungen can be both a technique and a defect. In painting, colors may
In preservation, archival, and museum contexts, Verschmierungen often indicate handling and ageing. Smudges on manuscripts, prints,
Prevention and management include working in clean, dry conditions; using appropriate supports; applying fixatives for media