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GREENVEIL

  • beauty

Sodium undecylenate

CAS 3398-33-2

Concern score

Not assessed — no hazard data yet.

Sodium undecylenate in plain language

What it is

Also known as Sodium undec-10-enoate

What it does

Used in cosmetics as a preservative, an emulsifier and a cleansing agent. Sodium Undecylenate is the sodium salt of undecylenic acid.

  • Preservative
  • Emulsifying
  • Cleansing
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

Canonical ingredient record built from 1 public-source records.

Regulation

No restrictions found. Sodium undecylenate appears in these published regulatory listings.

  • EUCosIngActiveSodium Undecylenate is the sodium salt of undecylenic acid that conforms generally to the formula: Restriction: V/18
    • Sodium Undecylenate is the sodium salt of undecylenic acid that conforms generally to the formula: Restriction: V/18Source →

Expert safety opinions

No expert opinion on file for Sodium undecylenate. 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 Sodium undecylenate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

1 data source

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

Suitability

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

Food use

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.

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.