Potassium Stearoyl Glutamate

AKA: N-Stearoylglutamic acid monopotassium salt, Stearoyl-L-glutamic acid monopotassium salt, N-Stearoyl-L-glutamic acid monopotassium salt, L-Glutamic acid, Potassium salt (1:1), 58956-32-4
Plant-Derived
Skin Conditioner
Hair Care
Not Clean
OriginTypically derived from coconut, palm kernel, or soybean oils as the natural starting material. Synthesized through glutamic acid conjugation and potassium salt formation of stearic acid derivatives.
Potassium salt of stearoyl glutamic acid
Formula
C23H42KNO5
Mol. Weight
451.70
CAS #
58956-32-4
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
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.
Locks in moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2017
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR