Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.
- beauty
- cleaning
- industrial
Sodium pidolate
CAS 2494-03-3 · 0/100 · High conf.
Also registered as 3 other CAS numbers
52497-17-3 · 53935-45-8 · 28874-51-3
Concern score
0/100Low concern — well-established and permitted without restriction (CIR safe as used; EU CosIng).
High confidence
Sodium pidolate in plain language
On cosmetic ingredient lists it appears as “Sodium PCA”.
Also known as Sodium PCA · 2-PYRROLIDONE-5-CARBOXYLIC acid sodium salt · L-sodium pidolate · Proline, 5-OXO-, monosodium salt, l- · Sodium l-pyroglutamate · Sodium pyroglutamate
Show all 23 names
Sodium (2S)-5-oxopyrrolidine-2-carboxylate · 2-Pyrrolidinone-5-carboxylic acid sodium salt · 5-Carboxy-2-pyrrolidone sodium salt · 5-Oxo-L-proline monosodium salt · 5-oxo-L-prolinate de sodium · 5-oxo-L-prolinato de sodio · Ajidew N 50 · Ajidew NL 50 · Ec 249-277-1 · L-5-Oxoproline monosodium salt · L-Proline, 5-oxo-, monosodium salt · Pdsi 101 · Pidolate Sodium · Sodium 5-oxo-2-pyrrolidinecarboxylate · Sodium L-pyrrolidonecarboxylate · Sodium pyrrolidone-5-carboxylate · UNII-1V74VH163T
Used in cosmetics as a humectant, a skin-conditioning agent and a hair conditioner.
- Humectant
- Skin conditioning
- Hair conditioning
- Antistatic
- Conditioner
- Low concern: no hazard classifications on record. It is listed for cosmetic use in the EU.
Why it's flagged
EPA CPDat observed this chemical in 2261 composition records across product categories including Personal care, Medical/dental, Construction.
The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.
Regulation
No restrictions found. Sodium pidolate appears in these published regulatory listings.
- Found in consumer products
- Beauty
- Cleaning
- Industrial
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 2261 composition records across product categories including Personal care, Medical/dental, Construction. EPA CPDat classifies this chemical for functional uses including Humectant, Anti-static agent, Softener and conditioner.
- EPA CPDat observed this chemical in 2261 composition records across product categories including Personal care, Medical/dental, Construction. EPA CPDat classifies this chemical for functional uses including Humectant, Anti-static agent, Softener and conditioner.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 Sodium pidolate. 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 Sodium pidolate 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 september 28, 2015
- 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.
Good fit
Where it has been recorded
How often EPA CPDat has listed Sodium pidolate in a product composition. These are source records, not Greenveil catalog products.
Source records
2,261
Named organisations
6
Personal careMedical/dentalConstructionBatteries
Typical roles
HumectantSkin conditioningHair conditioningAntistaticConditioner
Found in these products
Their ingredient lists include Sodium pidolate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.
- Hydrating cream-to-foam cleanserCeraVe · Face
- Beauty of Joseon Relief Sun Aqua Fresh SPF50+ ZonnebrandcrèmeBeauty
- The Ordinary Glycolic Acid 7% Toning Solution (Solução tonificante de ácido glicólico 7%)The Ordinary · Esfoliante
- Crema de manos KaritesseDeliplus · Open Beauty Facts
- Cien lightweight body lotionCien
- Natural prebiotic gel doucheSanex · Hygiene
- Eucerin, Roughness Relief Lotion, Fragrance FreeEucerin · Non Food Products
- Advanced Repair Hand CreamEucerin · Non Food Products
- savon soinu · Non Food Products
- Crème jour et nuitAvril
- Eucerin
- Bepanthen SensicalmBayer · Creme Anti Demangeaisons
- Gel de baño hidratanteNatural Honey
- déo soin 24h haute toléranceJonzac · Deodorants Bille
- Restoring ritual body lotionUnilever, Dove · Body
- Sanex Natural PrebioticColgate-Palmolive
- DailyAdvance Ultra Hydrating LotionCetaphil · Skin Lotion
- Hydro Pflege-Gel Aloe VeraIsana
- cleansing goamA
- Lait pour le corps nutrition essentielleUnilever, Dove · Body
- Shampooing normalisant à la mélisseLogona · Hair
- Shampooing soin brillanceLogona · Hair
- Active Nature 24 h Deo Roll-onAlverde
- dandruff shampooNull
Often appears with
Ingredients that frequently appear alongside Sodium pidolate in the catalog.