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PEG-54 CASTOR OIL.

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

PEG-54 Castor Oil is a versatile polyethylene glycol (PEG) derivative of castor oil, primarily utilized as an emulsifier and solubilizer to foster stable cosmetic formulations. It also delivers humectant benefits, potentially enhancing skin hydration and refining skin texture.

Summary

emulsifying solubilizer surfactant humectant solvent moisturizing anti-inflammatory antimicrobial

Science

Mechanism of Action

This ingredient functions predominantly as a surfactant, effectively lowering interfacial tension to facilitate the stable integration of immiscible liquids like oil and water in cosmetic preparations. As a PEG derivative, it exhibits good skin tolerance and acts as a solvent and humectant, drawing moisture to the skin. The inherent castor oil component, rich in fatty acids such as ricinoleic acid, may further contribute to moisturizing, anti-inflammatory, and antimicrobial effects, supporting improved skin texture and the appearance of healthy pores.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Polyethylene glycols and their derivatives typically demonstrate robust stability and are not prone to microbiological degradation, which can reduce the need for additional preservatives in certain product types.

Safety

Safety Profile

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

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that PEG-54 Castor Oil, along with 130 related PEGylated oils, is safe for use in cosmetics under current practices and concentrations, provided formulations are non-irritating. The panel specifically found related PEG-30 and PEG-40 Hydrogenated Castor Oils safe for use at concentrations up to 100%. The CIR Panel underscores the necessity for purification processes to remove potential impurities like ethylene oxide and 1,4-dioxane, which are by-products of ethoxylation. This ingredient is permissible for use in Europe under the general provisions of the Cosmetics Regulation, and the FDA permits castor oil as a direct food flavoring agent, with certain PEG Castor Oil ingredients (molecular weight 400-3,000) allowed as indirect food additives in textiles.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-54 Castor Oil is a valuable formulatory ingredient due to its effective emulsifying, solubilizing, and humectant properties, with a documented safety profile when purification standards are met.

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