Cosmetic grade Black Oxide Powder can be used in lip products, face makeup, and eye makeup. Ultramarines and oxides can be blended together to give a wide range of colors. For soap making black oxide can be added after the lye and fats are blended, use at about 1 teaspoon per 5lb soap. Iron oxides are inorganic and will not bleed. Not recommended for nail lacquers ...more
Cosmetic grade Black Oxide Powder can be used in lip products, face makeup, and eye makeup. Ultramarines and oxides can be blended together to give a wide range of colors. For soap making black oxide can be added after the lye and fats are blended, use at about 1 teaspoon per 5lb soap. Iron oxides are inorganic and will not bleed. Not recommended for nail lacquers 