Four pigments, then and now

Aging and Analysis

How Paintings Change

Fading, darkening and yellow varnish, and how scientists see beneath the surface

No painting looks exactly as it did when it left the studio. Some pigments fade or darken, varnish yellows, and scientists use X-rays, infrared and tiny samples to work out what has changed.


  • Fading and darkening
  • Varnish
  • Looking beneath the surface

Works in this part

Image: Made for this site · Original work

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