Intrinsic Coloration

Anaplastology Awareness Month 2020

In anaplastology, intrinsic coloration is the addition of pigment directly into the silicone that is used to pack the mold. When the mold is opened, the cured (set) silicone prosthesis already exhibits natural color variation and vibrancy. The suspension of pigment within the cured silicone can improve color stability over time.

Intrinsic coloration allows the anaplastologist to mimic translucency that we see in our natural skin by controlling the ratio of pigment to silicone and sequentially placing color into the mold in a method much like adding glazes to an oil painting.

(Sakura Prosthetics Medical Services - Intrinsic Coloration System)

Anaplastologists around the world use a variety of materials and techniques to achieve intrinsic color. The image above features an intrinsic coloration system used by Sakura Prosthetics Medical Services, which uses liquid silicone pigment (pigments combined with a silicone crosslinking fluid) and Rayon fiber flocking.

This auricular prosthesis created by anaplastologist David Trainer illustrates the life-like quality that can be achieved using intrinsic coloration, yielding a natural apprearence right out of the mold!

Watch a video of the intrinsic coloration process!

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The Walter Spohn Trust, WST (formerly the Walter Spohn Education Fund, WSEF) provides financial support to individuals and research groups initiating educational and research projects to advance the field of Anaplastology.


The WST works to achieve its goals through its Annual Grant Program, special awards and scholarships, and fundraising events like The OtoArt Project and The Worthwhile Mile Fundraiser .


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