Polyglyceryl-10 Heptastearate
AKA “Polyglyceryl-10 heptastearate
Skin Conditioning
Ingredient Facts
Polyglyceryl-10 heptastearate
Skin Conditioning · Skin Conditioning · EWG: 4
Plant-Derived
Skin Conditioner
Plant Oil
Not Clean
1,2,3-Propanetriol, homopolymer, octadecanoates (1:2) (10 mol glycerol average molar ratio)
CAS #
99126-54-2
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
Developed in the mid-20th century as a synthetic emulsifier combining polyglycerin with stearic acid. Used in cosmetics and personal care products to create stable emulsions and improve product consistency.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
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: CosIng · EWG · CIR