Polyglyceryl-10 Stearate
molecular structure · PubChem
AKA: 3-(2, 3-Dihydroxypropoxy)-2-hydroxypropyl stearate, 66168-54-5, 3-DIHYDROXYPROPOXY)-2-HYDROXYPROPYL OCTADECANOATE, [3-(2, 3-dihydroxypropoxy)-2-hydroxypropyl] octadecanoate, Diglyceryl stearate
Plant-Derived
Skin Conditioner
Plant Oil
Clean
1,2,3-Propanetriol, homopolymer, octadecanoates (1:1) (10 mol glycerol average molar ratio)
Formula
C24H48O6
Mol. Weight
432.60
CAS #
79777-30-3
Form
Liquid
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.
Locks in moisture
Traditional Use
Developed in the mid-20th century as a synthetic polyglyceryl ester emulsifier derived from glycerin and stearic acid. Used in cosmetics to stabilize oil and water mixtures without the inconsistency of traditional plant-based emulsifiers.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
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Sun Defense Performance Duo • SPF 50 + Super Serum
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The Body Brush
Nécessaire
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The Body Serum | 0.5% Hyaluronic Acid | Travel
Nécessaire
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR