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PEG-9 OCTYLDODECANOATE.

Valuable CAS - / SURFACTANT - EMULSIFYING

PEG-9 Octyldodecanoate is a PEGylated ester renowned for its versatile performance in skincare formulations. It primarily acts as an emollient, enhancing skin texture and spreadability, while also contributing to emulsion stability and skin conditioning.

Summary

Surfactant Skin-conditioning agent Fragrance ingredient Emulsion stabilizer Emollient Oil-phase solvent Humectant Penetration enhancer

Science

Mechanism of Action

This ingredient functions synergistically through its two main components. The PEGylated ester acts as a surfactant, effectively reducing surface tension and stabilizing emulsions. The octyldodecanol moiety provides emollient properties, imparting a low-odor, smooth feel, improving product slip, and serving as an oil-phase solvent to aid in dissolving lipid-soluble materials. Additionally, like other polyethylene glycols, it may offer humectant benefits and enhance the penetration of other active ingredients.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Unknown
Optimal pH 3 – 10
0 7 14

Stability

The octyldodecanol component is highly stable against hydrolysis, allowing for inclusion across a broad pH range, specifically between pH 3 and 10. General PEG compounds also exhibit good stability over a wide pH spectrum, ensuring product integrity.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed PEG-9 Octyldodecanoate within the group of 'Alkyl PEG Ethers,' concluding it is safe when formulated to be nonirritating. This safety determination extends to structurally similar ingredients. Its octyldodecanol component has a low potential for irritation and sensitization. PEG-9, as a standalone, is rated with low concern by the Environmental Working Group (EWG).

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-9 Octyldodecanoate is a valuable multi-functional excipient, offering emollient, skin-conditioning, and emulsion-stabilizing properties with a favorable safety profile for diverse cosmetic applications.

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