Jacquard Pearl Ex-Pigment Pearl Ex Powdered Pigments are one of the most versatile products! they can be mix into any media and applied to any surface! And the variety of finishes Pearl Ex can produce is nearly endless-from metallic sheens to pearlescent shimmers to all manner of faux finishes. It is safe, non-toxic, inert powdered pigment with a neutral pH. It is extremely color fast and stable - it will not tarnish or fade and is therefore ideal for archival applications.