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Very light cleaning can be done by cutting a onion in two and rubbing the painting with the half onion the combination of the chemical and mechanical have a good cleaning effect which is intensified by the addition of some lemon juice drops.
While working cut, from time to time a thin slice of the onion to refresh and clean it.
Wipe with a wet sponge to clean the painting before allowing it to dry. Medium light cleaning is done using hand warm water and lemon detergent with a soft sponge.
The sponge should not be more wet than necessary to avoid soaking the canvas. This method is often very effective and removes much of the grime and smoke accumulated on the painting. Rinse the sponge often give the detergent time to work on the grime. Make sure to wipe the whole painting repeatedly with a clean sponge to remove all traces of the detergent. |