Disodium Stearoyl Glutamate

AKA: 38079-62-8, Amisoft HS-21, L-Glutamic acid, Disodium salt, Disodium stearoylglutamate, Sodium salt (1:2), AMISOFT HS 21P
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Vital Skincare Concealer - Atelier D1
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Vital Skincare Concealer - Atelier L1
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Vital Skincare Concealer - Atelier L2
Westman Atelier
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Vital Skincare Concealer - Atelier L3
Westman Atelier
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Vital Skincare Concealer
Westman Atelier
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Vital Skincare Concealer - Atelier M1
Westman Atelier
 →
Vital Skincare Concealer - Atelier M2
Westman Atelier
 →
Vital Skincare Concealer - Atelier M3
Westman Atelier
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Vital Skincare Concealer - Atelier M4
Westman Atelier
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Vital Skincare Concealer - Atelier T1
Westman Atelier
 →
Vital Skincare Concealer - Atelier T2
Westman Atelier
 →
Vital Skincare Concealer - Atelier T3
Westman Atelier
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Vital Skincare Concealer - Atelier T4
Westman Atelier
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Plant-Derived
Cleanser
Skin Conditioner
Hair Care
Clean
OriginTypically derived from coconut, palm kernel, or soybean oils as the starting material. Synthesized through esterification of glutamic acid with stearoyl chloride, then neutralized with sodium.
Disodium N-(1-oxooctadecyl)-L-glutamate
Formula
C23H41NNa2O5
Mol. Weight
457.60
CAS #
38079-62-8
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.000006–6%
Rinse-off0.1–0.3%
0%50%100%
CIR reported use · 2012 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR