Homocysteic Acid

INCI: HOMOCYSTEIC ACID

CAS Number
672-15-1 (L-form); 504-33-6 (DL-form)
Function
Hair conditioning, skin conditioning (sulfo-amino acid; analog of aspartic acid)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not restricted; amino acid derivative

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

Sulfo-amino acid derivative permitted for use in hair and skin conditioning applications with low absorption and sensitization potential.

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Concern Level: Moderate

Frequently Asked Questions

Is Homocysteic Acid safe in cosmetics?

Sulfo-amino acid derivative permitted for use in hair and skin conditioning applications with low absorption and sensitization potential. The EU classifies Homocysteic Acid as "permitted". Safety rating: MODERATE.

Is Homocysteic Acid allowed in the EU?

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

What does Homocysteic Acid do in cosmetics?

Homocysteic Acid functions as: Hair conditioning, skin conditioning (sulfo-amino acid; analog of aspartic acid). It is classified as a cosmetic ingredient in our database. CAS number: 672-15-1 (L-form); 504-33-6 (DL-form).

What is the Margin of Safety for Homocysteic Acid?

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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