Propylene Glycol Stearate SE
AKA “Propylene Glycol Stearate Self-Emulsifying
Surfactant
Ingredient Facts
Propylene glycol stearate se
AKA: Propylene Glycol Stearate Self-Emulsifying
Surfactant · Opacifying · EWG: 1
Plant-Derived
Cleanser
Emulsifier
Clean
Octadecanoic acid, reaction products with 1,2,3-propanetriol, neutralized
Effective at 1.0%
CAS #
-
See origin →
Functions
Opacifying
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Adds Opacity
Emulsifier
Brightens Skin
Reduces Inflammation
Wound Healing
Mixes oil and water
Creates creamy opacity
Traditional Use
Synthetic ester developed as a self-emulsifying emulsifier for cosmetics. The 'SE' designation indicates built-in surfactant properties for enhanced emulsifying power in formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
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 Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR