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Usnic acid sodium salt (1:x)

CAS 34769-44-3

Also registered as 1 other CAS number

39012-86-7

Concern score

Not assessed — no hazard data yet.

Usnic acid sodium salt (1:x) in plain language

What it is

On cosmetic ingredient lists it appears as “Sodium usnate”.

Also known as Sodium usnate

What it does

Used in cosmetics as an antimicrobial and an anti-sebum.

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

Regulation

No restrictions found. Usnic acid sodium salt (1:x) appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.Source →

Expert safety opinions

No expert opinion on file for Usnic acid sodium salt (1:x). 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 Usnic acid sodium salt (1:x) yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated 2019-03-06

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    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.

Where it has been recorded

How often EPA CPDat has listed Usnic acid sodium salt (1:x) in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

AntimicrobialAnti-sebum
See products using Usnic acid sodium salt (1:x) →

Catalog

Found in these products

Cosmetic and personal-care products that list Usnic acid sodium salt (1:x) are shown first. Their ingredient lists include Usnic acid sodium salt (1:x); each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 7 →Find products without it →