Melt your oils and cocoa butter over low heat to 115° F.
Mix your lye and water together until fully dissolved. Let it sit and cool in an ice bath until it reaches 115° F.
Mix your oils and lyes together in a large bowl using an immersion blender. Mix until it reaches a light trace.
Add in your essential oils and then blend again.
Mix in your blue mica powder to one side of the bowl with a spatula. Make slow circles until the powder creates a blue circle around the edge of the bowl. Pull the blue through the soap twice.
Pour your mixture into a 2 lb soap mold. Top the mixture with dried calendula and cornflowers.
Let the soap sit somewhere warm for 48 hours.
After 48 hours, cut the soap into equal bars. Let the soap cure in a cool, dark place for 6 weeks before using.