Polyglyceryl-10 Decastearate
AKA “Decaglyceryl decastearate, 39529-26-5, Decaglycerol decasterate, UNII-08T2A86Z7X, EINECS 254-495-5, 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, 10, 14, 18, 22, 26, 30, 34, 39-decayl decastearate, decaester with 4, 38, 39-dodecol
Skin Conditioning
Ingredient Facts
Polyglyceryl-10 decastearate
AKA: Decaglyceryl decastearate, 39529-26-5, Decaglycerol decasterate, UNII-08T2A86Z7X, EINECS 254-495-5, 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
Skin Conditioning · Skin Conditioning · EWG: 1
Plant-Derived
Skin Conditioner
Plant Oil
Clean
Decaester of decaglycerol and stearic acid
Formula
C210H402O31
Mol. Weight
3423.00
CAS #
39529-26-5
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.
Locks in moisture
Traditional Use
A synthetic emulsifier developed in the mid-to-late 20th century by combining polyglycerin with stearic acid. Created to stabilize cosmetic formulations and improve product texture in modern skincare and makeup applications.
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
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR