Cosmetic grade Green Hydrated Chrome Oxide Powder can be used in soaps, lotions, and eye makeup. Ultramarines and oxides can be blended together to give a wide range of colors. For soap making Green Hydrated Chrome Oxide can be added after the lye and fats are blended, use at about 1 teaspoon per 5lb soap. Powdered oxides are inorganic and will not bleed. Do not use for lipsticks. Not recommended for nail lacquers or face make-up....more