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Silver oxide

CAS 20667-12-3

Concern score

Not assessed — no hazard data yet.

Silver oxide in plain language

What it is

Also known as Silver oxide (Ag2O) · Silver (I) oxide · nonhazardous (silver oxide) · silver(1+)oxide

Show all 5 names

silver oxide (as nuisance dust)

What it does

Used in cosmetics as an antimicrobial.

  • Antimicrobial
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. Silver oxide 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 52 composition records across product categories including Laboratory supplies, Specialty occupational products, Batteries. EPA CPDat classifies this chemical for functional uses including Biocide, Surface modifier.
    • EPA CPDat observed this chemical in 52 composition records across product categories including Laboratory supplies, Specialty occupational products, Batteries. EPA CPDat classifies this chemical for functional uses including Biocide, Surface modifier.Source →

Expert safety opinions

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

2 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated may 31, 2017

    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 Silver oxide in a product composition. These are source records, not Greenveil catalog products.

Source records

52

Named organisations

4

Laboratory suppliesSpecialty occupational productsBatteriesConstruction and building materials

Typical roles

Antimicrobial
See products using Silver oxide →

Catalog

Found in these products

Cosmetic and personal-care products that list Silver oxide are shown first. Their ingredient lists include Silver oxide; each product's own rating depends on its whole formula, so it is shown on the product page, not here.