Is Iron Hydroxide safe in cosmetics?
Iron Hydroxide has a safety rating of "EXCELLENT" in our database. EU status: restricted. US status: permitted.
Excellent
Cosmetic Ingredient
Iron Hydroxide
INCI: IRON HYDROXIDE
Iron Hydroxide (CAS 20344-49-4 (iron oxyhydroxide)) is a cosmetic cosmetic ingredient functioning as Colorant (iron oxide-hydroxide pigment). EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 20344-49-4 (iron oxyhydroxide) →
Auto-generated CPSR Part A draft with source citations
Function
Colorant (iron oxide-hydroxide pigment)
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Permitted — FDA-approved synthetic iron oxides for cosmetics (21 CFR 73.2250); must conform to FDA purity specifications
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Iron Hydroxide.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Iron Hydroxide.
Regulatory Flags
colorant
Frequently Asked Questions
Is Iron Hydroxide allowed in the EU?
Iron Hydroxide EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Iron Hydroxide do in cosmetics?
Iron Hydroxide functions as: Colorant (iron oxide-hydroxide pigment). It is classified as a cosmetic ingredient in our database. CAS number: 20344-49-4 (iron oxyhydroxide).
Compliance Tools
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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