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PEI-14 PEG-10/PPG-7 COPOLYMER.

Questionable CAS 52501-07-2 / SURFACTANT - CLEANSING

PEI-14 PEG-10/PPG-7 COPOLYMER is a versatile synthetic polymer that acts primarily as a surfactant and humectant. It efficiently reduces surface tension, aids in cleansing, and enhances formula stability by emulsifying oil and water, while also attracting moisture to the skin for hydration.

Summary

Surfactant Humectant Emulsifier Cleansing Agent Foam Booster Rheology Modifier Consistency Enhancer Solvent

Science

Mechanism of Action

This copolymer functions by reducing the surface tension between different phases in a formulation, which enables effective cleansing and foaming. As an emulsifier, it stabilizes mixtures of oil and water. Its polyethylene glycol (PEG) component provides humectant properties, drawing and retaining water in the skin through hydrogen bonding, thus enhancing hydration and minimizing transepidermal water loss. It also contributes to product texture as a rheology modifier, consistency enhancer, and solvent.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No data available to suggest this ingredient is commonly 'dusted' or requires specific thresholds related to efficacy or safety in that context.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Polyethylene glycol derivatives like this copolymer are generally stable across various conditions, offering broad viscosity and solubility. They exhibit good microbiological resistance, often reducing the need for additional preservatives within the ingredient itself.

Conflicts

  • Inhalable product forms (e.g., sprays, powders) due to potential respiratory concerns.
  • Formulations where absolute purity is paramount, given the risk of contamination with toxic impurities such as ethylene oxide, 1,4-dioxane, polycyclic aromatic compounds, and heavy metals.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel deems general PEG ingredients safe for cosmetic use on intact skin, provided formulations are non-irritating and non-sensitizing. Systemic toxicity, particularly kidney issues, has only been observed in severely burned patients with compromised skin barriers. For PEI-14 PEG-10/PPG-7 COPOLYMER specifically, irritation to skin, eyes, or lungs is noted as 'low' by EWG. However, EWG raises 'high' concerns regarding potential contamination with toxic impurities, including ethylene oxide, 1,4-dioxane, polycyclic aromatic compounds, and heavy metals. Use of this ingredient under EWG VERIFIED requires adherence to specific restrictions and warnings based on company data.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

While a multi-functional ingredient providing humectant, cleansing, and emulsifying benefits with low irritation, significant concerns exist regarding potential contamination with toxic impurities.

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