Polyglyceryl-10 Nonaisostearate
AKA “Polyglyceryl-10 Nonaisostearate
Synthetic
Ingredient Facts
Polyglyceryl-10 nonaisostearate
Synthetic · Emollient · EWG: 4
Plant-Derived Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
nonaester of decaglycerol and isostearic acid Science: Origin: Botanic/Natural | Functions: Skin Conditioning Safety Ratings: CIR: Safe as used
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
Locks in moisture
Traditional Use
Developed as a synthetic emulsifier combining polyglycerin with isostearic acid. Used in skincare and cosmetic products to create stable formulations with improved sensory properties.
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