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COCAMIDOPROPYL DIMETHYLAMINE LACTATE.

Valuable CAS 68425-42-3 / HAIR CONDITIONING, SURFACTANT - CLEANSING

Cocamidopropyl Dimethylamine Lactate is a cationic surfactant and emulsifier derived from coconut fatty acids, neutralized with lactic acid. It functions to reduce surface tension, aiding in the blending of oil and water, and offers conditioning benefits to skin and hair.

Summary

Surfactant Hair Conditioning Antistatic Emulsifier

Science

Mechanism of Action

This ingredient acts by significantly reducing surface tension, which facilitates the uniform mixing of immiscible oil and water phases, crucial for effective cleansing. It further enhances skin and hair conditioning by forming a protective film, thereby mitigating dryness. Its antistatic properties are beneficial for hair. Additionally, the base ingredient, Cocamidopropyl Dimethylamine, can serve to solubilize and stabilize salicylic acid within various cosmetic formulations.

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 4 – 5
0 7 14

Stability

As a salt formed from Cocamidopropyl Dimethylamine and lactic acid, this ingredient exhibits cationic properties in acidic environments. It is optimally functional within an acidic pH range of 4.0 to 5.0, where it is typically incorporated into water-based formulations.

Synergies

  • Salicylic acid stabilization

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel deems fatty acid amidopropyl dimethylamines, including the base of this lactate, safe for cosmetic use, provided they are formulated to be non-sensitizing. Historical data in 2012 highlighted insufficient information, leading to requests for further studies on percutaneous absorption, reproductive/developmental toxicity, and sensitization/irritation for Cocamidopropyl Dimethylamine. High concentrations of its parent compound, Cocamidopropyl Dimethylamine, have been linked to skin and eye irritation in sensitive individuals. Instances of allergic eyelid dermatitis were observed in some patients during patch tests with 0.1% Cocamidopropyl Dimethylamine. Regulatory bodies like the FDA and SCCS actively monitor its application.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
No Sensitive
Irritancy Moderate
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Cocamidopropyl Dimethylamine Lactate is a versatile conditioning surfactant and emulsifier, valuable for its formulation benefits, though careful formulation is essential to mitigate potential sensitization risks associated with its base ingredient.

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