Retouching varnish
Once finished a painting there may arise glossy and matte or flat areas in the canvas. That looks not nice, especially exposed in wrong lighting. It is caused by a combination of the colour used, the type and amount of thinning agent added and the absorption of the ground.
The amount of oil in the paint as well as the amount of solvent that is added can vary per colour. It´s called sunken-in areas and it has nothing to do with a bad painting technique. Treating the sunken-in areas, once they are thoroughly dry to the touch, with a very thin coat of retouching varnish restores the gloss and colour. Continue reading
















