A classic, basic blue pigment.
Historically, ultramarine blue was made by grinding down the semi-precious stone, lapis lazuli.
For cosmetic manufacture, however, ultramarine blue is manufactured in the lab. Kaolin (China) Clay, sodium carbonate and sulpher are mixed together and heated in a kiln to get the characteristic blue shade.
The "
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Worked beautifully in soap-perfect blue
Worked beautifully in soap, was able
To do an ombré/gradient pattern. allows for fine control of colors.
J
John · June 20, 2026
Works perfectly for creating a neutral undertone.
N
Nita · November 18, 2025
ultra marine blue
I use this in my soft plastic fishing lures I make
