Propylene Glycol Stearate Self-Emulsifying

Propylene Glycol Stearate Self-Emulsifying molecular structure
molecular structure · PubChem
AKA: 2-propanediol, Propane-1, 2-Propylene glycol, 2-dihydroxypropane
AHA Exfoliating Solution
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Plant-Derived
Emulsifier
Skin Conditioner
Not Clean
OriginDerived from vegetable oils such as coconut, palm, or soybean oils as the starting material. Produced through esterification of propylene glycol with stearic acid, then self-emulsified for stability.
Propylene Glycol Stearate Self-Emulsifying is a cosmetic ingredient. Assessed as safe by the CIR.
Formula
C3H8O2
Mol. Weight
76.09
CAS #
57-55-6
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Humectant
Solvent
Viscosity Controlling
Brightening
Anti-Inflammatory
Wound Healing
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️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
Not a Skin Irritant
1 study / 1 not irritating (CIR 684)
Not an Eye Irritant
1 study / 1 not irritating (CIR 684)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 684)
Concentration Guide
Leave-on1%
Rinse-off1.4%
0%50%100%
CIR reported use · 2014 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR