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  • beauty

N-succinyl-s-farnesyl-l-cysteine disodium

CAS 1239578-31-4

N-succinyl-s-farnesyl-l-cysteine disodium chemical structure

Concern score

Not assessed — no hazard data yet.

N-succinyl-s-farnesyl-l-cysteine disodium in plain language

What it is

On cosmetic ingredient lists it appears as “Disodium succinoyl farnesylcysteine”.

Also known as Disodium succinoyl farnesylcysteine · UNII-8A7BE0M39C

What it does

Used in cosmetics as a skin protectant.

  • Skin protecting
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

FDA GSRS classifies this ingredient as ingredient substance chemical.

Regulation

No restrictions found. N-succinyl-s-farnesyl-l-cysteine disodium appears in these published regulatory listings.

  • EUCosIngActiveDisodium Succinoyl Farnesylcysteine is the organic compound that conforms to the formula:
    • Disodium Succinoyl Farnesylcysteine is the organic compound that conforms to the formula:Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for N-succinyl-s-farnesyl-l-cysteine disodium. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for N-succinyl-s-farnesyl-l-cysteine disodium yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.