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SODIUM STEAROYL GLUTAMATE

Last update on Apr 23, 2026

Sodium stearoyl glutamate is a hypoallergenic, amino acid-based emulsifier that helps to blend the oil and water together in a cosmetic formulation. It helps to condition the skin and the hair. It also acts as a surfactant in higher amounts. It’s sodium part makes it an amino acid salt and it is non-irritating in nature. It is considered as natural, and environmentally friendly.

CAS Number: 38517-23-6 / 79811-24-8Chem/IUPAC Name: Sodium;(4S)-4-amino-5-octadecanoyloxy-5-oxopentanoateEINECS/ELINCS No: 253-980-9COSING REF No: 80093

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What is SODIUM STEAROYL GLUTAMATE used for?

Sodium stearoyl glutamate is used as a conditioner, emulsifier, and a cleansing agent.

  • Skin care: As a skin conditioner, it works at a pH range similar to that of the skin and thus provides a gentle yet effective moisturization. It also maintains a good skin condition when used as a cleanser
  • Hair care: It works as a mild, anionic, non-comedogenic cleansing agent which is biodegradable. It is compatible with a wide range of other ingredients, including electrolytes, UV-reflecting solids, and preservatives. It cleanses mildly without leaving a dry or coarse feel on the hair

Origin

Sodium stearoyl glutamate is produced from glutamic acid and plant (palm or coconut) fatty acids.

What does SODIUM STEAROYL GLUTAMATE do in a formulation?

CLEANSING|
EMULSIFYING|
HAIR CONDITIONING|
SKIN CONDITIONING|
SURFACTANT

Safety Profile

Sodium stearoyl glutamate is determined to be safe for use in cosmetics with a low hazard rating from EWG (1). The CIR Expert Panel has assessed acyl glutamates as safe as used. It is exceptionally mild, non-irritating, and suitable for sensitive and baby skin. Non-comedogenic and well-tolerated at typical use levels (0.5-5%).

SODIUM STEAROYL GLUTAMATE alternatives

SODIUM STEAROYL GLUTAMATE technical profile

PropertyValues
Boiling Point600°C
SolubilitySoluble in water