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SODIUM LAURYL ASPARTATE.

Valuable CAS 267653-39-4 / CLEANSING, SURFACTANT - CLEANSING

Sodium Lauryl Aspartate is an amino acid-derived anionic surfactant, valued for its gentle yet effective cleansing and emulsifying capabilities. Its amphiphilic structure efficiently reduces surface tension, facilitating the removal of both oil- and water-based impurities from the skin while enhancing product spread and foam stability.

Summary

Cleansing Surfactant Emulsifying Hair Conditioning

Science

Mechanism of Action

This anionic, amino acid-based surfactant operates by significantly decreasing the surface tension between different liquid phases. Its amphiphilic nature allows it to encapsulate and suspend both hydrophilic and lipophilic substances, making it highly effective for deep cleansing, emulsifying formulations, and contributing to hair conditioning.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 6 – 10
0 7 14

Stability

Optimal performance, including surface tension reduction, foam stability, and emulsifying efficiency, is observed within a pH range of 6.0 to 10.0. While generally stable, degradation may occur under extreme acidic or basic conditions.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Sodium Lauroyl Aspartate safe for cosmetic use, provided the final product is formulated to be non-irritating. It is not currently identified as a restricted or prohibited ingredient by the U.S. FDA.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Sodium Lauryl Aspartate is a valuable, mild amino acid-based surfactant suitable for a broad range of skin types, offering effective cleansing and emulsifying benefits when formulated without irritation.

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