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Moumoujus

PEG-2 COCOMONIUM CHLORIDE.

Questionable CAS 70750-47-9 / ANTISTATIC, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-2 COCOMONIUM CHLORIDE is a cationic surfactant and quaternary ammonium compound that primarily functions as a conditioning and cleansing agent. Its positively charged structure allows it to adsorb onto negatively charged skin and hair surfaces, imparting softness and manageability. It also serves as an effective emulsifier, stabilizing oil and water mixtures within formulations.

Summary

Antistatic Emulsifying Hair Conditioning Cleansing Softening

Science

Mechanism of Action

This ingredient functions by reducing interfacial tension due to its amphiphilic molecular structure, making it effective in aqueous systems. Its positive charge facilitates adsorption onto negatively charged surfaces, such as those found on hair and skin, leading to effects like static reduction, improved manageability, and a softer feel. As a surfactant, it aids in cleansing, while also stabilizing emulsions as an emulsifying agent.

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

PEG solutions, including this ingredient, can undergo aging, which may alter chemical properties by increasing aldehydes, carboxylates, and peroxides, raising ionic strength, and reducing pH. Accelerated by warm temperatures, light, and oxygen, stability is best maintained when stored frozen (-20°C), followed by refrigeration (4°C), which is superior to room temperature storage.

Conflicts

  • anionic surfactants (may lead to precipitation or loss of efficacy)

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Moderate

The CIR Expert Panel found PEG-2 COCOMONIUM CHLORIDE and related ingredients safe in cosmetic practices when formulated to be non-irritating. However, potential concerns include contamination with 1,4-dioxane and ethylene oxide during manufacturing. It may induce mild to moderate eye and skin irritation in sensitive individuals, particularly in undiluted forms. Prolonged or repeated exposure could trigger dermatitis or allergic contact reactions in predisposed individuals. Other noted concerns include low neurotoxicity, low endocrine disruption, and low-to-moderate non-reproductive organ system toxicity. It is not classified as a carcinogen by major regulatory bodies.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

While offering conditioning and emulsifying benefits, concerns regarding potential manufacturing contaminants, medium irritancy, and suitability for sensitive skin suggest careful consideration of safer alternatives for precision skincare formulations.

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