Cosmetic Pigment Iron Oxide Black 1. Iron Oxide For Cosmetic, 2. Strong Ttinting, 3. Excellent Consistent. Cosmetic Black ... . I. Name&No: Pigment Black 11Molecular Formula: Fe3O4 (FeO@Fe2O3)Properties: Black powder, no odor; Can't dissolve in water and ... , such as foundation cream, powder cake, kohl, and lipstick. Iron Oxide Black For Cosmetic Pigment