Genistein Methyl Ether (Biochanin A)

INCI: GENISTEIN METHYL ETHER

CAS Number
491-80-5
Function
Humectant; skin conditioning; skin protecting
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. 0.007%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no CFR restriction

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Phytoestrogen and endocrine disruptor concern: Biochanin A is demethylated to genistein by CYP enzymes; CPSR assessor must account for this metabolic pathway when calculating total genistein exposure against the SCCS 0.007% ceiling; phytoestrogenic activity is documented.

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Concern Level: Moderate

Frequently Asked Questions

Is Genistein Methyl Ether (Biochanin A) safe in cosmetics?

Phytoestrogen and endocrine disruptor concern: Biochanin A is demethylated to genistein by CYP enzymes; CPSR assessor must account for this metabolic pathway when calculating total genistein exposure against the SCCS 0.007% ceiling; phytoestrogenic activity is documented. The EU classifies Genistein Methyl Ether (Biochanin A) as "restricted". Safety rating: MODERATE.

Is Genistein Methyl Ether (Biochanin A) allowed in the EU?

Genistein Methyl Ether (Biochanin A) EU regulatory status: restricted. Maximum allowed concentration: 0.007%. This is based on EU Regulation 1223/2009 and its amendments.

What does Genistein Methyl Ether (Biochanin A) do in cosmetics?

Genistein Methyl Ether (Biochanin A) functions as: Humectant; skin conditioning; skin protecting. It is classified as a cosmetic ingredient in our database. CAS number: 491-80-5.

What is the Margin of Safety for Genistein Methyl Ether (Biochanin A)?

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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