The following article on soap coloring options was inspired by a reader’s question concerning the differences between oxides, micas, ultramarines and colorants and when to use which one. Soap Coloring Options: Oxides, Micas, Ultramarines – What’s the Difference? by Anne-Marie Faiola You’re right, there are a lot of soap coloring options out there. I’ll go … Continue reading Soap Coloring Options