Propylene Glycol Linoleate

AKA: Propylene glycol 2-linoleate, 1, 2-Propylene glycol 2-linoleate, 9, 12-Octadecadienoic acid, 2-hydroxypropyl ester, 59104-83-5, 2-hydroxy-1-methylethyl ester, PROPYLENE GLYCOL MONOLINOLEATE
Synthetic
Cleanser
Skin Conditioner
Not Clean
OriginDerived from linoleic acid, a polyunsaturated fatty acid typically sourced from plant oils like safflower or soybean. Synthesized through esterification of linoleic acid with propylene glycol via catalytic reaction.
9,12-Octadecadienoic acid, 2-hydroxypropyl ester
Formula
C21H38O3
Mol. Weight
338.50
CAS #
57-55-6
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Skin Irritant in Testing
1 study / 1 irritating / reactions mild (CIR 684)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR