Fading
Degradation of color over time due to exposure to light, moisture, pollutants or environmental conditions

How To Apply (and Remove) Waterborne Varnish
Protect interior acrylic paintings from dust and ultraviolet light with our newly formulated Gloss Waterborne Varnish. This varnish can be thinned and cleaned up with water, eliminating the need for harsh solvents. It can also be removed with household ammonia to facilitate cleaning and conservation.
Accelerated Lightfastness Data - PDF

Lightfastness Testing at Golden Artist Colors
Description of the steps we take, and ways we have sought to improve and make lightfastness testing more robust.