Polyglyceryl-10 Pentahydroxystearate
AKA “Polyglyceryl-10 Pentahydroxystearate
Synthetic
Ingredient Facts
Polyglyceryl-10 pentahydroxystearate
Synthetic · Emollient · EWG: 4
Plant-Derived Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Plant Oil
Synthetic
Clean
Pentaester of decaglycerol and hydroxystearic acid Science: Origin: Botanic/Natural | Functions: Skin Conditioning - Emollient, Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks In Moisture
Traditional Use
Developed as a modern synthetic emulsifier combining polyglycerin with hydroxylated stearic acid. Used in cosmetics to stabilize emulsions while providing additional skin-conditioning benefits.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR