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Moumoujus

PEG-5 STEARYL AMMONIUM CHLORIDE.

Optional CAS 80238-02-4 / 80462-94-8 / ANTISTATIC, SURFACTANT - CLEANSING

PEG-5 Stearyl Ammonium Chloride is a multifunctional ingredient primarily recognized for its antistatic and surfactant properties. It helps reduce static electricity, particularly on hair, and acts as a surfactant to aid product distribution and cleansing by blending oil and water phases. As a PEG derivative, it may also contribute to the skin's moisture retention.

Summary

antistatic surfactant moisture retention

Science

Mechanism of Action

This compound acts as an antistatic agent by neutralizing electrostatic charges, which is particularly beneficial in hair care formulations. Its surfactant capabilities allow it to lower the surface tension of cosmetic products, promoting uniform dispersion and assisting in the emulsification of immiscible substances like oil and water for effective cleansing. Additionally, as a polyethylene glycol (PEG) derivative, it can form hydrogen bonds with water molecules, potentially enhancing hydration and creating a superficial barrier to mitigate trans-epidermal water loss.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

There is no available evidence suggesting that PEG-5 Stearyl Ammonium Chloride is commonly 'dusted' or has its benefits exaggerated in marketing claims beyond its established functional roles as an antistatic agent and surfactant.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Polyethylene glycols generally exhibit good skin tolerance and a broad spectrum of viscosity and solubility properties. However, the stability of PEGs can be influenced by changes in pH, and their aging process may be accelerated by exposure to warm temperatures, light, and the presence of oxygen.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
0.1%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed PEG Stearates, including related compounds, safe under current conditions of use and concentration. However, PEG-5 Stearyl Ammonium Chloride is specifically classified as a quaternary ammonium salt. The Scientific Committee on Consumer Safety (SCCS) indicates that quaternary ammonium compounds are known irritants. For structurally related alkyl (C12-22) trimethylammonium chloride compounds, the SCCS has set a maximum concentration of 0.1% for leave-on cosmetic products, applicable whether used as a preservative or for other functional purposes, unless further safety data is provided. This concentration limit is critical for ensuring product safety.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

PEG-5 Stearyl Ammonium Chloride is an optional functional ingredient providing antistatic and surfactant properties, but its classification as a quaternary ammonium compound associated with irritation necessitates careful formulation within a strict 0.1% concentration limit for leave-on products.

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