Polyglyceryl-10 Decastearate

AKA: Decaglyceryl decastearate, 39529-26-5, Decaglycerol decasterate, Decastearic acid, Decaester with decaglycerol, Octadecanoic acid, [2-hydroxy-3-[3-[3-[3-[3-[3-[3-[3-[3-(2-hydroxy-3-octadecanoyloxypropoxy)-2-octadecanoyloxypropoxy]-2-octadecanoyloxypropoxy]-2-octadecanoyloxypropoxy]-2-octadecanoyloxypropoxy]-2-octadecanoyloxypropoxy]-2-octadecanoyloxypropoxy]-2-octadecanoyloxypropoxy]-2-octadecanoyloxypropoxy]propyl] octadecanoate, 2, 38-dihydroxy-4, 8, 12, 16, 20, 24, 28, 32, 36-nonaoxanonatriacontane-1, 6, 14, 18, 22, 26, 30, 34, 39-decayl decastearate, Decaester with 4, 38, 39-dodecol
Plant-Derived
Skin Conditioner
Clean
OriginDerived from plant-based fatty acids, typically from coconut or palm oil sources. Synthesized through polyesterification of glycerin with stearic acid and polyethylene glycol.
Decaester of decaglycerol and stearic acid
Formula
C210H402O31
Mol. Weight
3423.00
CAS #
39529-26-5
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
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.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2023
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR