Ultramarine Blue Iron Oxide 1oz - Ultramarine Blue is a great color to have in any collection. We recommend starting out at 1/16th to 1/8th teaspoon per pound for melt & pour soaps. For cold process, add ½ teaspoon of oxide to 1 ounce of a carrier oil like Sweet Almond or Olive Oil and mix well using a small mixer – add 1 teaspoon of this mixture to your batch.
 
Micron Size: 2
NOT APPROVED FOR USE ON LIPS.
INCI: Ultramarine Blue (CI 77007) (CAS# 57455-37-5 )