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SODIUM LAUROYL GLYCINATE.

Valuable / CLEANSING, SURFACTANT - CLEANSING

Sodium Lauroyl Glycinate is an anionic amino acid-based surfactant derived from glycine and lauric acid. It functions as a gentle yet highly effective cleansing agent, valued for its ability to reduce surface tension and emulsify oils without compromising skin integrity.

Summary

cleansing surfactant foaming emulsification

Science

Mechanism of Action

This ingredient reduces surface tension and forms micelles, which efficiently encapsulate and lift away oils and sebum. Its amino acid structure helps maintain the skin's natural moisture barrier, ensuring effective cleansing while supporting skin hydration. It concurrently contributes to a rich, creamy lather for an enhanced user experience.

Research

Clinical Evidence

High confidence
Effective range ≤15%
Optimal

N/A

Key findings

  1. 01 Proven non-irritating and non-sensitizing for rinse-off detergents on human skin.
  2. 02 Proven non-irritating and non-sensitizing for leave-on products on human skin.
  3. 03 Demonstrates synergistic effects with co-surfactants, enhancing foam film stability and lipid cleaning efficiency, achieving over 74% sebum removal.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 8
0 7 14

Stability

Exhibits excellent chemical stability across a broad pH range, typically stable under normal storage conditions. For powdered forms, it requires storage in a dry environment, away from extreme heat or humidity. Final formulations are often adjusted to a skin-friendly pH range of approximately 5-7.

Synergies

  • Enhanced foam stability and lipid cleaning efficiency when blended with co-surfactants like Cocamidopropyl Betaine.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
15% (rinse-off), 5% (leave-on)%
Sensitization risk Low

The CIR Expert Panel has concluded that amino acid alkyl amides, including Sodium Lauroyl Glycinate, are safe for use in cosmetics under current practices and concentrations, provided formulations are non-irritating. It has been specifically demonstrated to be non-irritating and non-sensitizing on human skin within tested concentrations. While specific SCCS or direct FDA approval status is not detailed, its widespread use in cosmetic products implies general recognition of safety within regulatory frameworks.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Sodium Lauroyl Glycinate is a valuable amino acid-based surfactant, celebrated for its gentle yet effective cleansing properties, broad skin type compatibility, and low irritancy profile.

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