beauty
cleaning
food
pharma

Potassium stearate

CAS 593-29-3

Concern score

Not assessed — no hazard data yet.

Potassium stearate in plain language

What it is: Also known as E-470(I)STEARIC acid, potassium salt · Ins NO.470(I)STEARIC acid, potassium salt · INS-470(I)STEARIC acid, potassium salt · Nonsoul mk 2 · Potassium octadecanoate · Rexanol
Show all 17 names
Steadan 300 · Potassium salt stearic acid · Fatty acid (C 18) potassium salt · Kaliumstearat · Octadecanoic acid, potassium salt (1:1) · Potassium n-octadecanoate · Potassium palmitoleate · pure Potassium stearate · UNII-17V812XK50 · puro estearato de potasio · potassium salts
What it does: Used in cosmetics as an emulsifier and a cleansing agent.
Emulsifying
Cleansing
Emulsifier
Surfactant
Thickener
Lubricant
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. Potassium stearate appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Beauty
Cleaning
Pharma
Food

EUCosIngActivePotassium stearate
- Potassium stearateSource →
GLOBALJECFAEvaluatedJECFA evaluation record.
- JECFA evaluation record.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 117 composition records across product categories including Personal care, Food and drug, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Emulsifier, Cleaning agent.
- EPA CPDat observed this chemical in 117 composition records across product categories including Personal care, Food and drug, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Emulsifier, Cleaning 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 →

Evidence & sources

No graded research studies for Potassium stearate 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 September 2019
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 Potassium stearate in a product composition. These are source records, not Greenveil catalog products.

Source records

117

Named organisations

Personal careFood and drugConstruction and building materialsCleaning products and household care

Typical roles

EmulsifyingCleansingEmulsifierSurfactantThickenerLubricant

See products using Potassium stearate →

Catalog

Found in these products

Their ingredient lists include Potassium stearate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 35 →Find products without it →