Iron Oxides
Also known as: CI 77489, CI 77491, CI 77492, CI 77499, Iron Oxide Black, Iron Oxide Red, Iron Oxide Yellow, Fe2O3, Fe3O4
Mineral colorants derived from iron that provide stable, long-lasting color to cosmetics.
See this ingredient in your own products — scan the label.
Get the appWhat it does
Iron oxides are inorganic pigments that impart color to makeup, skincare, and personal care products. They are chemically stable, photo-stable, and do not fade or migrate. Used in foundations, powders, eyeshadows, and lip products to achieve various hues.
Benefits
- Stable, long-lasting color that doesn't fade with time or sun exposure
- Hypoallergenic and well-tolerated by sensitive skin
- Provides opacity and coverage in formulations
- Synergistic with UV filters for enhanced sun protection in some formulas
- Certified safe colorants with extensive regulatory approval
Who it suits
- All skin types
- Sensitive skin (hypoallergenic)
- Those seeking stable, long-wear color
How to use
Iron oxides are incorporated into formulations by manufacturers; consumers apply finished products as directed. No special use instructions needed.
Pairs well with
Titanium dioxide, Mica, Silicates, Binding agents
Be careful pairing with
none notable
Safety & cautions
Iron oxides are safe and well-regulated cosmetic colorants with minimal risk of irritation. Ensure proper dispersion in formulas to avoid grittiness; sourcing from reputable suppliers is important for purity.
Educational information, not medical advice. Concentration and formulation change how an ingredient behaves.