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PEG-10 OLEAMINE.

Questionable CAS 26635-93-8 / SURFACTANT - EMULSIFYING

PEG-10 Oleamine is a polyethylene glycol derivative primarily valued for its role as a surfactant and emulsifier, facilitating stable oil-in-water formulations. It additionally functions as a humectant and skin conditioner, contributing to both product texture and skin hydration.

Surfactant Emulsifying Agent Penetration Enhancer Humectant Skin Conditioner Cleansing Agent Foam Boosting Agent Antistatic Agent Softening Agent

Science

This ingredient effectively stabilizes emulsions by reducing the surface tension between immiscible oil and water phases. As a PEG, it enhances the dermal penetration of co-formulated active ingredients, while also attracting and retaining moisture on the skin's surface, promoting a conditioned feel.


Research

Low confidence
Effective range 0.16–0.16%
Optimal

0.16%

Key findings

  1. 01 Reported use concentration in skin moisturizers is 0.16%.

Transparency

Commonly dusted

PEG-10 Oleamine's petrochemical origin and the ethoxylation process used in its synthesis pose a significant concern. This manufacturing method can result in the generation of 1,4-dioxane, a suspected carcinogen, leading to its prohibition in certified organic cosmetic formulations.


The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Stability

This ingredient demonstrates good stability in alkaline environments, making it suitable for formulations with higher pH levels, such as certain creams and gels.

Conflicts

  • Not compatible with certified organic cosmetic standards due to potential 1,4-dioxane byproduct.

Safety

CIR Status
Safe with restrictions
Max tested
3.5%
Sensitization risk Moderate

The CIR Expert Panel concluded that PEG-10 Oleamine is safe for cosmetic use when formulated to be non-irritating, with a maximum concentration of 3.5%. However, reported use in skin moisturizers is typically 0.16%. Potential for irritation exists if not properly formulated, and PEGs can induce cross-sensitization, particularly on compromised skin. Its petrochemical origin and the risk of 1,4-dioxane formation during production remain notable safety considerations.


Your Skin

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

Our Assessment

Questionable

Despite its functional benefits as an emulsifier and conditioner, the petrochemical origin of PEG-10 Oleamine and the potential for 1,4-dioxane contamination during processing make its inclusion questionable for a precision skincare brand committed to clean and uncompromised formulations.


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