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PEG-10 SOY STEROL.

Valuable / SURFACTANT - EMULSIFYING

PEG-10 Soy Sterol is a nonionic emulsifier and skin-conditioning agent, precisely formulated to stabilize oil and water emulsions in skincare products. It is derived from soy sterols and polyethylene glycol, offering benefits for skin texture and hydration.

Summary

Emulsifying Agent Skin-Conditioning Agent Surfactant Cleansing Agent Solubilizing Agent Texture Enhancer

Science

Mechanism of Action

This ingredient functions as a nonionic surfactant, significantly reducing the surface tension between immiscible liquids to facilitate the formation of stable oil-in-water or water-in-oil emulsions. Simultaneously, it acts as a skin-conditioning agent, enhancing the appearance of dry or compromised skin by actively reducing flaking and restoring a noticeable suppleness. Its properties also extend to cleansing, solubilizing, and refining overall formula texture.

Research

Clinical Evidence

High confidence
Effective range N/A
Optimal

2.1%

Key findings

  1. 01 Enhances the appearance of dry or damaged skin by reducing flaking and restoring suppleness.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 4.5 – 7
0 7 14

Stability

PEG-10 Soy Sterol exhibits excellent water solubility and stability. A 1% aqueous dispersion maintains a stable pH range of 4.5 to 7.0 at standard temperature, and its melting range is 73-80°C, facilitating seamless incorporation into diverse cosmetic formulations.

Conflicts

  • Should not be used on damaged or compromised skin due to potential systemic toxicity and sensitization risks observed with PEGs on compromised skin.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
2.1%
Sensitization risk Low

The CIR Expert Panel has concluded that PEG Soy Sterol ingredients, including PEG-10 Soy Sterol, are safe for use in cosmetics when applied to intact skin, showing no irritation at undiluted concentrations. However, it is explicitly recommended to avoid their use on damaged or compromised skin due to potential systemic toxicity and sensitization risks associated with PEGs in such conditions. This ingredient may contain trace amounts of 1,4-dioxane as a byproduct of ethoxylation, which must be controlled through purification to meet safety standards. It is listed in accordance with the general provisions of the European Union's Cosmetics Regulation.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-10 Soy Sterol is a valuable multi-functional ingredient, proven to enhance formulation stability and significantly improve skin texture and suppleness for all skin types, with careful consideration for application on compromised skin.

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