Ferrous Aspartate

INCI: FERROUS ASPARTATE

CAS Number
91370-57-9 *(verify against CosIng — multiple iron-aspartate CAS numbers exist)*
Function
Skin Conditioning
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted by default; no specific FDA or CIR review for cosmetic use

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Limited cosmetic-specific safety data; primarily known as an oral iron supplement; amino acid chelate form may have higher bioavailability than inorganic forms, relevant if product contacts broken skin.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Ferrous Aspartate safe in cosmetics?

Limited cosmetic-specific safety data; primarily known as an oral iron supplement; amino acid chelate form may have higher bioavailability than inorganic forms, relevant if product contacts broken skin. The EU classifies Ferrous Aspartate as "permitted". Safety rating: MODERATE.

Is Ferrous Aspartate allowed in the EU?

Ferrous Aspartate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ferrous Aspartate do in cosmetics?

Ferrous Aspartate functions as: Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 91370-57-9 *(verify against CosIng — multiple iron-aspartate CAS numbers exist)*.

What is the Margin of Safety for Ferrous Aspartate?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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