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Moumoujus

PEG-22/DODECYL GLYCOL COPOLYMER.

Questionable CAS 78336-31-9 / LIGHT STABILIZER, SURFACTANT - EMULSIFYING

This polymer, formed from polyethylene glycol and dodecyl glycol, primarily functions as an emulsifier to stabilize oil and water mixtures in cosmetic formulations. It also enhances product texture and consistency, while acting as a nonionic surfactant with potential to contribute to skin moisturization.

Summary

Emulsifying Stabilizing Texture Enhancing Nonionic Surfactant Solubilizing Moisturizing (contributes to)

Science

Mechanism of Action

PEG-22/Dodecyl Glycol Copolymer operates by reducing the interfacial tension between immiscible liquids, such as oils and water, thereby enabling the formation of stable emulsions. This action ensures product homogeneity and improves overall consistency and stability. Additionally, its nonionic surfactant properties allow it to contribute to skin hydration.

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

This ingredient is recognized for its ability to improve the consistency and stability of skincare formulations. Polyethylene glycols generally exhibit diverse viscosity and solubility properties, which contribute significantly to overall product integrity.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Moderate

While the CIR Expert Panel generally considers polyethylene glycols and their derivatives safe for cosmetic use, specific and rare cases of allergic contact dermatitis have been documented for this copolymer, sometimes observed in children and potentially leading to severe reactions. A 20% concentration caused a positive reaction in a patch test. Concerns also exist regarding potential contamination by ethoxylation byproducts such as ethylene oxide and 1,4-dioxane.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Questionable

While effective as an emulsifier and texture enhancer for formulation stability, its use is questionable due to documented cases of allergic contact dermatitis and concerns regarding potential ethoxylation byproducts.

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