Natural Soap Colorants Gallery – Spice and Herbal Powders ...
Usage: Added at trace – add 1/2 teaspoon indigo powder per pound of oils to traced soap. Mix well. Results: Indigo powder does best when added to the lye water. I don’t recommend adding indigo powder at trace. Color: dusty light blue, cold gray. Mustard Seed Powder. Usage: Added at trace – add 1/2 teaspoon mustard seed powder per pound of ...