sodium stearoylglutamate
AKA “Sodium stearoyl glutamate, stearoyl L-glutamate sodium
Ingredient
Ingredient Facts
Sodium stearoylglutamate
AKA: Sodium stearoyl glutamate, Stearoyl L-glutamate sodium
Ingredient · Skin Conditioning · EWG: 4
Plant-Derived
Skin Conditioner
Not Clean
sodium stearoylglutamate is a cosmetic ingredient.
CAS #
210545-23-6; 616-91-1; 1188-37-0; 2490-97-3; 35305-74-9
Form
Powder
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.
Traditional Use
A modern synthetic amino acid-derived emulsifier developed in the late 20th century to provide mild cleansing and skin conditioning properties. Created as a gentler alternative to harsher surfactants in cosmetic formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
all-shades-safe
Concentration Guide
Industry Max
Industry typically uses up to 6.0% in leave-on products (135 products reported). Source: CIR Safety Assessment (CIR Seq 645).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR