Polyglyceryl-6 Undecylenate
AKA “Polyglyceryl-6 Undecylenate
Surfactant
Ingredient Facts
Polyglyceryl-6 undecylenate
Surfactant · Emulsifying · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Ester of hexaglycerol and undecylenic acid
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
A modern synthetic emulsifier developed in the late 20th century. Created to provide natural-origin alternatives to traditional petroleum-based emulsifiers by combining plant-derived glycerin with undecylenic acid, which itself derives from castor oil.
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