Ferric Sulfate

INCI: FERRIC SULFATE

CAS Number
10028-22-5
Function
Astringent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” FDA-approved direct food additive (21 CFR 184.1307); not restricted for cosmetic use. CIR reviewed under Inorganic Sulfates safety assessment

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

Eye and skin irritant at high concentrations with staining potential; not reported in current use in FDA VCRP 2013 data.

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Concern Level: Low

Regulatory Flags

fda_food_additive

Frequently Asked Questions

Is Ferric Sulfate safe in cosmetics?

Eye and skin irritant at high concentrations with staining potential; not reported in current use in FDA VCRP 2013 data. The EU classifies Ferric Sulfate as "permitted". Safety rating: GOOD.

Is Ferric Sulfate allowed in the EU?

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

What does Ferric Sulfate do in cosmetics?

Ferric Sulfate functions as: Astringent. It is classified as a cosmetic ingredient in our database. CAS number: 10028-22-5.

What is the Margin of Safety for Ferric Sulfate?

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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