Propylene Glycol Oleate
AKA “Propylene Glycol Oleic Acid Ester, Propylene Glycol Oleic Ester”
Surfactant
Ingredient Facts
Propylene glycol oleate
AKA: Propylene Glycol Oleic Acid Ester, Propylene Glycol Oleic Ester
Surfactant · Cleansing · EWG: 1
Synthetic
Cleanser
Skin Conditioner
Clean
Oleic acid, monoester with propane-1,2-diol
Effective at 1.0%
CAS #
1330-80-9
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks in moisture
Traditional Use
Synthetic ester developed as a modern emollient for cosmetics in the mid-20th century. Designed to provide smooth texture and enhance skin feel without greasiness.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
9.9e-05%
2.0%
0%14%
Effective Range
CIR reported use: 0.000099-2
Regulatory Agencies
PEG-55 Propylene Glycol Oleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Propylene Glycol Oleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Propylene Glycol Oleate SE
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-55 Propylene Glycol Oleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Propylene Glycol Oleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Propylene Glycol Oleate SE
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: CosIng · EWG · CIR