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PEG-10 CASTOR OIL.

Valuable CAS 61791-12-6 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-10 Castor Oil is a versatile non-ionic ingredient derived from castor oil, vital for establishing stable cosmetic formulations. It functions as an effective emulsifier and solubilizer, seamlessly blending diverse ingredients, while simultaneously offering conditioning benefits that leave the skin feeling softer and smoother.

Summary

emulsifying solubilizer skin conditioning agent surfactant emollient humectant consistency enhancer binding agent softening agent fixative

Science

Mechanism of Action

Operating as a non-ionic surfactant, PEG-10 Castor Oil efficiently lowers surface tension, facilitating the stable emulsification of oil and water phases within a formulation. Its solubilizing properties enable the dispersion of normally insoluble components like fragrances and active ingredients. Additionally, it serves as a skin conditioning agent, contributing to improved skin texture and a smoother feel.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

As a critical functional ingredient for emulsion stability and solubilization, PEG-10 Castor Oil serves a precise and essential role in formulation, rather than being merely included for marketing claims without substantiated efficacy.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Polyethylene glycols and their derivatives are known for their broad range of viscosity and solubility properties, generally exhibiting good skin tolerance. While specific optimal pH data for PEG-10 Castor Oil is not available, related PEGylated castor oils like PEG-60 Hydrogenated Castor Oil show optimal stability at a neutral pH.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
100%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has determined that PEG-10 Castor Oil, along with 129 other related PEGylated oils, is safe for use in cosmetics when formulated to be non-irritating. This ingredient is permissible for use up to 100% concentration and is approved under the general provisions of the Cosmetics Regulation in the European Union. The FDA acknowledges castor oil as a permitted food flavoring, and PEG Castor Oils may also be found as indirect food additives in textiles. The CIR panel recognizes the potential for trace amounts of 1,4-dioxane, a byproduct of ethoxylation, but emphasizes that its presence can be effectively mitigated through appropriate purification processes.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-10 Castor Oil is a valuable, multifunctional ingredient crucial for stable formulations due to its emulsifying and solubilizing properties, while also providing skin-conditioning benefits with a low risk of irritation and comedogenicity across all skin types.

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