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SODIUM COCOYL ALANINATE.

Valuable CAS 90170-45-9 / HAIR CONDITIONING, SURFACTANT - CLEANSING

Sodium Cocoyl Alaninate is a gentle, amino acid-based anionic surfactant derived from coconut fatty acids and L-Alanine, renowned for its effective cleansing, rich foaming, and moisturizing properties in precision skincare formulations. It efficiently lifts impurities while preserving the skin's natural barrier, leaving it soft and hydrated.

cleansing surfactant foaming hair conditioning skin conditioning humectant

Science

As an amino acid-based anionic surfactant, Sodium Cocoyl Alaninate functions by significantly reducing water's surface tension, facilitating the emulsification of oil and water. This action allows for the effective removal of dirt, excess oil, and impurities from both skin and hair. Unlike harsher detergents, its unique structure ensures cleansing without stripping essential lipids, actively supporting the skin's natural barrier integrity and moisture balance. The L-Alanine component further enhances its humectant capabilities, attracting and retaining moisture for a soft, conditioned feel.


Research

Medium confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

Information regarding dusting analysis or specific dusting thresholds for Sodium Cocoyl Alaninate is not available in the provided research data.


The Formula

Solubility
Water
Optimal pH 5 – 8
0 7 14

Stability

Sodium Cocoyl Alaninate exhibits excellent stability across a broad pH range, from strong acidic to alkaline and neutral conditions. It performs optimally, producing rich, creamy, and bulky foam, particularly within neutral to slightly acidic pH environments (pH 5.0-8.0).

Conflicts

  • strong oxidizing agents

Safety

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed Sodium Cocoyl Alaninate 'safe in the present practices of use and concentration in cosmetics, when formulated to be non-irritating.' It is characterized by its exceptional mildness, non-irritating profile, and low potential for skin sensitization, even being gentle to the eyes. While related acyl sarcosines and sarcosinate salts are considered safe up to 5% in leave-on products, a specific maximum concentration for Sodium Cocoyl Alaninate itself is not explicitly defined, with safety affirmed under non-irritating conditions.


Your Skin

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

Our Assessment

Valuable

Sodium Cocoyl Alaninate is a valuable, mild, amino acid-based surfactant, offering effective cleansing, rich foam, and hydration across all skin types, with an excellent safety profile for a wide range of formulations.


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