beauty
food

Calcium peroxide

CAS 78403-22-2

Also registered as 4 other CAS numbers

12049-69-3 · 55396-25-3 · 61976-87-2 · 1305-79-9

Concern score

Not assessed — no hazard data yet.

Calcium peroxide in plain language

What it is: Also known as Calcium dioxide · Ca(O2) · Calcium peroxide (Ca(O2)) · Calciumperoxid · Calper · Calper G
Show all 17 names
Kalziumperoxid · Neocaloxo · Peroxyde de calcium · UN1457 · UNII-7FRO2ENO91 · calcium oxide · calcium oxide (1-10%) · calcium peroxide containing ingredients 2-4 · cyc-CaO2 · peroxido de calcio · peroxidocalcium
What it does: Used in cosmetics as an oxidising agent.
Oxidising
Flour treatment agent
Preservative
Chelating agent
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. Calcium peroxide appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Beauty

GLOBALJECFAEvaluated2 entries
- JECFA evaluation record.Source →
- JECFA evaluation record. Functional class: flour treatment agent.Source →
EUCosIngActiveRestriction: III/12
- Restriction: III/12Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 23 composition records across product categories including Home maintenance, Personal care. EPA CPDat classifies this chemical for functional uses including Calcium, peroxide source, Oxidizing agent.
- EPA CPDat observed this chemical in 23 composition records across product categories including Home maintenance, Personal care. EPA CPDat classifies this chemical for functional uses including Calcium, peroxide source, Oxidizing agent.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

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.
JECFA
Joint FAO/WHO Expert Committee on Food Additives
- JECFA evaluation record.
  Year not recorded · GLOBAL JECFA listing · Read the source →
- JECFA evaluation record. Functional class: flour treatment agent.
  Year not recorded · GLOBAL JECFA listing · Read the source →

Evidence & sources

No graded research studies for Calcium peroxide 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 July 2016
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
WHO JECFA Database
regulatory · updated 2026-10-04
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 Calcium peroxide in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Home maintenancePersonal care

Typical roles

OxidisingFlour treatment agentPreservativeChelating agent

See products using Calcium peroxide →

Catalog

Found in these products

Their ingredient lists include Calcium peroxide; 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 →