Does My Painting Need to Be Cleaned?
Source: Smithsonian Museum Conservation Institute
Taking care of your paintings is delicate and complex. As paintings age, the appearance of the image changes not only because of accumulated dirt, but also because aging itself can alter the materials that make up the image. Methods of removing dirt and other obscuring material requires great skill because any changes to the painting surface may bring about irreversible and damaging results, permanently affecting the aesthetic and monetary value of the work.