Polyglyceryl-6 Isostearate
AKA “Polyglyceryl-6 Isostearate, PG-6 Isostearate
Surfactant
Ingredient Facts
Polyglyceryl-6 isostearate
AKA: PG-6 Isostearate
Surfactant · Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
1,2,3-Propanetriol, homopolymer, isooctadecanoates (1:1) (6 mol glycerol average molar ratio)
Effective at 12.1%
CAS #
126928-07-2
See origin →
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Mixes Oil & Water
Traditional Use
Combines polyglycerin with isostearic acid, a modern branched-chain fatty acid designed to provide superior emulsification and skin-feel compared to straight-chain fatty acids.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
1.8%
22.4%
0%31%
Effective Range
CIR reported use: 1.8-2.4 | 4-22.4
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR