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Duochromes
So I’ve been recently working on formulating eyeshadows. I plan to start my own brand soon. Anyway, I was just wondering if anyone had any input on how duochrome pigments are made. Any time I try to look for information on this subject I just get led to websites selling duochrome pigments. I was just wondering if anyone had anything they knew about the process of creating one. Thanks!
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3 Replies
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this article discusses special effect pigments in detail; duochromes are on the second to last page (“effect pigments based on silica flakes”)
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Great article - I loved it, but really technical.
Short duochrome explanation:
If you plate mica with titanium dioxide carefully enough, it will reflect only one color of light. You will get a white powder that reflects red, blue, gold, etc. These are called interference pearls.If you then coat these interference pearls with a color pigment, you get intense colors - blue on top of blue reflecting, red on top of red reflecting, etc.
But, if you use mismatched pigments to the reflections, you get duochromes - blue pigment/red reflection, red pigment/blue reflection, etc.
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Also, creating the pigments themselves requires several million dollars worth of very complex machinery. Buying them is really the only option, unless you have several million dollars sitting around - in which case, I have some great investment opportunities I want to tell you about…
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