Primal Flow Mica Pigments & Glitters are safe, high quality colorants for Resin Art, Soaps, and Bath Products. Our pigments are stable in both melt and pour and cold process soaps. For Resin Art, most colors achieve opacity at a 1tsp to 8oz of Resin ratio. Please observe all Safety Precautions when working with loose Mica Pigments, including wearing gloves and a mask.