Fragrance avoidance
Nothing to weigh for this context yet.
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.
- beauty
- industrial
Chlorous acid
CAS 13898-47-0
Concern score
Not assessed — no hazard data yet.
Chlorous acid in plain language
Also known as DB-081009 · Encore Activator · HClO2 · HOClO · Hydrogen chlorite · PD058045
Show all 10 names
UNII-7JRT833T5M · chlorige Saeure · chlorus acid · hydroxidooxidochlorine
Used in cosmetics as an antimicrobial, a deodorant and an oral-care ingredient. Chlorous Acid is the inorganic acid.
- Antimicrobial
- Deodorant
- Oral care
- Anticorrosive
- Oxidising
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Chlorous acid appears in these published regulatory listings.
- Found in consumer products
- Industrial
EUCosIngActiveChlorous Acid is the inorganic acid that conforms to the formula:
- Chlorous Acid is the inorganic acid that conforms to the formula:Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 1 composition records across product categories including unclassified products.
- EPA CPDat observed this chemical in 1 composition records across product categories including unclassified products.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 Chlorous acid. 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 Chlorous acid yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EPA Chemical and Products Database
exposure · updated 2019-02-27
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- 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
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed Chlorous acid in a product composition. These are source records, not Greenveil catalog products.
Source records
1
Typical roles
AntimicrobialDeodorantOral careAnticorrosiveOxidising