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Moumoujus

PEG-10 STEARAMIDE.

Optional / SURFACTANT - EMULSIFYING

A synthetic polyethylene glycol derivative, PEG-10 STEARAMIDE functions primarily as a surfactant and emulsifier, stabilizing oil and water phases in formulations. It also offers potential benefits for skin hydration by attracting and retaining moisture.

Summary

Surfactant Emulsifier Humectant

Science

Mechanism of Action

This ingredient operates as a non-ionic surfactant and emulsifier. Its amphiphilic molecular architecture, comprising a hydrophobic fatty stearamide tail and a hydrophilic polyethylene glycol head, enables it to decrease surface tension at phase interfaces, thereby facilitating the formation and stabilization of emulsions. Furthermore, similar to other PEGs, it exhibits humectant properties, contributing to skin hydration by forming hydrogen bonds with water molecules within the stratum corneum and mitigating transepidermal water loss.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Polyethylene glycols (PEGs) and their derivatives, including PEG-10 STEARAMIDE, are generally chemically stable. They are not prone to microbial degradation, often reducing the need for intensive preservation systems in cosmetic formulations.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that PEG-10 Stearamine (a synonym for PEG-10 STEARAMIDE) and related compounds are safe for use in cosmetics when formulated to be non-irritating under current practices. However, significant concerns exist regarding potential contamination with impurities such as Ethylene Oxide and 1,4-Dioxane. Crucially, its application is not recommended on damaged skin due to documented evidence of sensitization and nephrotoxicity in burn patients treated with PEG-based antimicrobial preparations.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

While effective as a functional ingredient for emulsion stability and mild hydration, its use requires stringent formulation controls to manage potential impurities and is contraindicated on compromised skin.

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