Yellow Iron Oxide (CI 77492)

INCI Name

CI 77492 (Iron Oxides – Yellow)

Botanical Name

None

Yellow Iron Oxide (CI 77492) is a safe, stable mineral pigment widely used in cosmetics to impart golden-yellow tones. It is valued for its non-toxic profile, high stability, and role in providing natural color and blue-light protection in mineral formulations.

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Primary Function
Mineral/Pigment
Add'l Function
Colorant
Scent Profile
Odorless
Neutral
Is It Natural?
Naturally Identical Mineral (Lab-Refined)
Formulate with Confidence

Botanical Building Blocks for Every Blend

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Skin Type Suitability

All
Sensitive
Oily
Dry
Mature
Combination
Baby/Child Safe
Considered Safe for Babies
Considered Safe for Teens
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Typical Product Use

Colorant, pigment, UV filter booster, opacifying agent

Product Type(s):

Makeup
Primer

Typical Usage Range:

1–20% depending on product type (higher in mineral makeup, lower in skincare tints)

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Supportive Qualities

Provides natural yellow to golden pigmentation in cosmetics, stable to light and heat, non-bleeding, non-toxic, used in mineral makeup and tinted skincare; helps block visible light including blue light when blended with other oxides

Primary Components:

Hydrated iron(III) oxide (Fe₂O₃·H₂O)

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Important to Know

Generally safe; avoid inhalation of powders; only cosmetic-grade iron oxides should be used (industrial grades are unsafe)

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Sourcing Tips

Preferred Extraction Method:

Synthetic or naturally occurring mineral refined and purified (lab-prepared cosmetic grade)

Use certified cosmetic- or pharmaceutical-grade iron oxides; check for non-nano compliance if required by regulations

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More information*

Explore additional safety and regulatory data from trusted external sources:

Cosmetics Info
Cosmetic Ingredient Review
EWG's Skin Deep
INCIDecoder
SkinSAFE
SpecialChem

*The ingredient details on this page are intended for general educational use and should not be considered exhaustive. Additional properties, uses, or safety considerations may be available from other sources. Root & Ritual Apothecary is not affiliated with Cosmetics Info, Cosmetic Ingredient Review (CIR), INCIDecoder, SkinSafe, EWG Skin Deep, or SpecialChem. External links are provided solely for informational purposes; Root & Ritual does not control or guarantee the accuracy, methodology, or conclusions of third-party sources, including consumer rating systems such as EWG.