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Moumoujus

HYDROXYETHYL TALLOWDIMONIUM CHLORIDE.

Insufficient Data CAS 223707-31-1 / ANTISTATIC, HAIR CONDITIONING

HYDROXYETHYL TALLOWDIMONIUM CHLORIDE is a cationic quaternary ammonium compound primarily utilized for its conditioning properties. It forms a protective film on biological surfaces like the skin, contributing to skin feel and texture. Additionally, it functions as an emulsifier and an antistatic agent within formulations.

Summary

Skin Conditioning Emulsifying Antistatic Antimicrobial

Science

Mechanism of Action

This ingredient operates via its cationic nature, enabling it to interact with negatively charged surfaces such as the skin, forming a conditioning and protective film. Its antistatic properties arise from neutralizing electrical charges. The integrated hydroxyl groups further enhance its functional characteristics, including excellent permeability, emulsification, softening effects, and antiseptic potential, while also acting as a dispersant.

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 5 – 8
0 7 14

Stability

This compound is stable in both water and ethanol, maintaining consistent performance at temperatures below 85°C. A 1% aqueous solution exhibits a pH range of 5.0 to 8.0.

Conflicts

  • anionic surfactants

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Moderate

A direct Cosmetic Ingredient Review (CIR) safety assessment for HYDROXYETHYL TALLOWDIMONIUM CHLORIDE has not been published. However, the CIR Expert Panel has reviewed related fatty amidopropyl N,N-dimethyl-2-hydroxyethylammonium chlorides (e.g., Quaternium-26), deeming them safe for use under conditions that prevent N-nitroso compound formation. Structurally similar compounds, such as Dihydrogenated tallow dimethyl ammonium chloride, have been identified as severely irritating to the eyes. Manufacturers advise avoiding eye and skin contact for Tallow bis(hydroxyethyl) methyl ammonium chloride. The Environmental Working Group (EWG) flags similar substances like 'BIS-HYDROXYETHYL TALLOWMONIUM CHLORIDE' with moderate concern for asthma/respiratory issues and some concern for skin allergies/irritation and developmental/reproductive toxicity, based on structural similarities to known asthmagens and reported animal reproductive toxicity for some quaternary ammonium compounds.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

Despite its conditioning and emulsifying properties, the absence of a direct CIR safety assessment and documented concerns for structurally similar compounds suggest insufficient data for a definitive recommendation in precision skincare formulations.

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