Iron Oxides

Iron Oxides

Iron Oxides: A Rich, High-Performance Pigment Family


At A Glance

A versatile group of pigments that deliver vibrant, long-lasting color with stability and depth in clean beauty formulations.

Quick Facts About Iron Oxides

  • Enhance color payoff – Provide deep, saturated tones for long-wearing performance.
  • Improve formula stability – Resist fading and oxidation throughout the day.
  • Offer broad shade range – From reds and yellows to browns and blacks, ideal for diverse makeup applications.

What are Iron Oxides?

Iron Oxides are inorganic pigments commonly used in cosmetics for their vibrant color, stability, and safety. Available in shades of Red (CI 77491), Yellow (CI 77492), and Black (CI 77499), they are used to create everything from bold eyeshadow to natural-toned bronzers. At ATHR Beauty, we use a mix of naturally derived and synthetic Iron Oxides to ensure purity, performance, and ethical sourcing.

In spiritual traditions, Iron has symbolized strength and grounding. As a pigment, Iron Oxides connect the sensory experience of makeup with deeper energetic resonance.

  • ATHR Callout: We incorporate Iron Oxides to deliver bold, high-performance pigment while aligning with our commitment to vegan, cruelty-free, and ethically sourced ingredients.

What Do Iron Oxides Do in Makeup?

  • Pigment Provider – Delivers intense, buildable color in a range of tones.
  • Color Stabilizer – Maintains vibrancy and prevents oxidation during wear.
  • Opacity Booster – Enhances coverage and color payoff in a variety of product formats.

How Do They Work?

These iron-based pigments work by:

  • Binding evenly with base formulas to ensure smooth, blendable application.
  • Resisting UV and oxidative breakdown for lasting color integrity.
  • Creating depth through layered tones, enhancing complexion and definition.

This is why Iron Oxides are favored for delivering long-lasting, vivid color in clean beauty products.

Why They’re Unique

  • Highly stable and effective – Resistant to fading, ideal for long-wear formulas.
  • Broad shade versatility – Used to create everything from soft neutrals to dramatic tones.
  • Energetically aligned – Associated with grounding and strength, resonating with high-vibrational beauty practices.

Are They Safe?

Yes! Iron Oxides are FDA-approved colorants used widely in cosmetic formulations. Both naturally derived and synthetic versions are considered safe, non-toxic, and non-irritating for all skin types. They have been thoroughly reviewed by cosmetic safety authorities, including the European Commission and the FDA.



Sources & Further Reading

Cosmetics Info: "Iron Oxides" https://www.cosmeticsinfo.org/ingredient/iron-oxides/

COSMILE Europe: "CI 77491" https://cosmileeurope.eu/inci/detail/3304/ci-77491/

COSMILE Europe: "CI 77492" https://cosmileeurope.eu/inci/detail/3305/ci-77492/

COSMILE Europe: "CI 77499" https://cosmileeurope.eu/inci/detail/3306/ci-77499/

EUR-Lex: “Cosmetics Regulation (EC) No 1223/2009, Annex IV – Consolidated version 24/04/2024” https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A02009R1223-20240424#anx_IV

FDA: "Color Additives Permitted for Use in Cosmetics" https://www.fda.gov/cosmetics/cosmetic-ingredient-names/color-additives-permitted-use-cosmetics

PubChem: "Iron Oxides (Compound)" https://pubchem.ncbi.nlm.nih.gov/compound/Iron-Oxides