Sodium Undecylenoyl Glutamate
AKA “Undecylenoyl Glutamate, Acyl Glutamate
Surfactant
Ingredient Facts
Sodium undecylenoyl glutamate
AKA: Acyl Glutamate
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Hair Care
Not Clean
Sodium hydrogen N-(10-undecenoyl) glutamate
CAS #
210545-23-6; 616-91-1; 1188-37-0; 2490-97-3; 35305-74-9
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks in moisture
Traditional Use
A modern amino acid-based surfactant derived from undecylenic acid (from castor oil) and glutamic acid. Developed in the late 20th century as a gentler, more skin-compatible alternative to harsher synthetic surfactants.
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