Winsor & Newton Artisan Water Mixable Painting Medium - 75ml Bottle
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This medium thins the consistency of Artisan Oil Colours and aids fine detail work. It also improves the flow and wetting of the colour. It dries slowly to a flexible thin film and is good for "oiling out" (the application of an oil medium to a painting which has sunk, or lost its oil to the layer underneath). Can be cleaned up with water.