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Moumoujus

DI-C12-15 ALKYL DIMONIUM CHLORIDE.

Questionable CAS 68910-56-5 / HAIR CONDITIONING

DI-C12-15 ALKYL DIMONIUM CHLORIDE is a cationic quaternary ammonium compound that functions as a conditioning agent. It is utilized to improve the tactile feel and appearance of both hair and skin, contributing to moisture retention and a protective film.

Summary

Skin Conditioning Hair Conditioning Antistatic Emulsifying Surfactant

Science

Mechanism of Action

As a quaternary ammonium compound, DI-C12-15 ALKYL DIMONIUM CHLORIDE exerts its effects through electrostatic interactions. For skin applications, similar compounds are understood to form a protective layer on the surface, which aids in mitigating trans-epidermal water loss, thereby maintaining hydration and potentially reducing dryness and irritation. It also possesses surfactant, emulsifying, and antistatic properties.

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 N/A
0 7 14

Stability

Precise optimal pH data for DI-C12-15 ALKYL DIMONIUM CHLORIDE is not definitively established. However, information from structurally similar compounds suggests a varied pH dependency for stability. Some analogs indicate stability within a pH range of 6.5-8.5, while others, such as Distearoylethyl Dimonium Chloride, exhibit optimal stability at pH 4, with a propensity for hydrolysis above pH 5.0. This highlights a potential for pH-sensitive stability in formulations.

Conflicts

  • Anionic surfactants
  • High pH environments (potential for hydrolysis)

Safety

Safety Profile

CIR Status
Not directly reviewed by the CIR Expert Panel, though structurally similar ingredients have been deemed safe when non-irritating.
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has not conducted a direct safety assessment of DI-C12-15 ALKYL DIMONIUM CHLORIDE. Reviews of related ingredients, such as dialkyl carbonates, concluded safety when formulated to be non-irritating, and some other quaternary ammonium compounds (e.g., Stearalkonium Chloride, Benzalkonium Chloride) have been deemed safe for use, sometimes with restrictions. The Scientific Committee on Consumer Safety (SCCS) has not issued an opinion on this specific ingredient. However, the European Chemicals Agency (ECHA) classifies 'Quaternary ammonium compounds, benzyl-C12-16-alkyldimethyl, chlorides' (a related class) as toxic if swallowed, capable of causing severe skin burns and eye damage, and very toxic to aquatic life. The Environmental Working Group (EWG) lists DI-C12-15 ALKYL DIMONIUM CHLORIDE (or DI-C12-18 ALKYL DIMONIUM CHLORIDE) with low-moderate concerns for allergies & immunotoxicity and non-reproductive organ system toxicity, explicitly deeming it 'unacceptable' for EWG VERIFIED™ products. Paula's Choice also notes a likelihood of irritation.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

Given the absence of direct safety assessments by leading regulatory bodies, the documented potential for irritation, and significant environmental concerns associated with related compounds, its application in precision skincare warrants considerable caution and thorough in-house validation.

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