I have colored soap with natural colorants and oxides, but the colors with those tend to be muted. With micas you can achieve brighter colors. However, not all micas are stable in cold process soap – they can morph or fade. For this reason, in addition to their cost, I have been hesitant to try them.
However, curiosity got the best of me! After some research, I came across Nurture Soap Supplies. In addition to micas, they also sell great wood molds with silicone liners that I’m going to have to try one day. (more…)