What does Chlorine dioxide do?

Used in cosmetics as an antimicrobial and a deodorant. Chlorine Dioxide is the inorganic compound.

Is Chlorine dioxide safe?

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

beauty
cleaning
industrial
pharma

Chlorine dioxide

CAS 1333-81-9

Also registered as 19 other CAS numbers

24518-47-6 · 56310-06-6 · 69049-77-0 · 70134-37-1 · 72061-90-6 · 74296-11-0 · 77546-17-9 · 77546-18-0 · 93085-22-4 · 155808-17-6 · 744149-53-9 · 807261-60-5 · 1002158-67-9 · 1014743-76-0 · 1018807-91-4 · 1428979-52-5 · 2511304-83-7 · 2511308-12-4 · 10049-04-4

Concern score

Not assessed — no hazard data yet.

Chlorine dioxide in plain language

What it is: Also known as Chlorine peroxide · Chlorosyloxidanyl · Alcide · BlueMAX Pre-Post · BlueMAX Premium EU · Chlorine(iv) oxide
Show all 30 names
Chlorine Dioxide(ClO2) · Chlorine dioxide (OClO) · Chlorine dioxide disinfectant · Chlorine oxide (ClO2) · Clidox · Clidox-S · Diklor · Doxcide 50 · FermaSure · Gladiator Super Dry · Joyden · Joyden plus · Luxianfeng · Nobda disinfectant · Pure O2 s · Pure O2-S f · ProVtect Hand Sanitizer · Purite · SANI-HEALTH Sanitizer · Skin n clean · Virus kill sanitizer · Virus zero-f · chlorine dioxide (sara 313) · chlorine dioxide (sara iii)
What it does: Used in cosmetics as an antimicrobial and a deodorant. Chlorine Dioxide is the inorganic compound.
Antimicrobial
Deodorant
Preservative
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. Chlorine dioxide appears in these published regulatory listings.

In marketed US drugs

Recorded in these product areas

Found in consumer products
Beauty
Cleaning
Industrial

EUCosIngActiveChlorine Dioxide is the inorganic compound.
- Chlorine Dioxide is the inorganic compound.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 12 composition records across product categories including Cleaning and safety, Raw materials. EPA CPDat classifies this chemical for functional uses including Biocide, Deodorizer, Food preservative.
- EPA CPDat observed this chemical in 12 composition records across product categories including Cleaning and safety, Raw materials. EPA CPDat classifies this chemical for functional uses including Biocide, Deodorizer, Food preservative.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 3 active drug products and 3 total products.
- FDA NDC lists this ingredient in 3 active drug products and 3 total 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 Chlorine dioxide. 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 Chlorine dioxide yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EPA Chemical and Products Database
exposure · updated January 7, 2008
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA National Drug Code Directory
regulatory · updated 2026-12-31
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.

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.

Where it has been recorded

How often EPA CPDat has listed Chlorine dioxide in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Cleaning and safetyRaw materials

Typical roles

AntimicrobialDeodorantPreservative

See products using Chlorine dioxide →