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PEG-25 HYDROGENATED CASTOR OIL.

Valuable CAS 61788-85-0 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-25 Hydrogenated Castor Oil is a versatile ingredient, acting primarily as an emulsifier and solubilizer to integrate diverse components within formulations. On the skin, it delivers conditioning and moisturizing benefits, leaving the complexion soft and hydrated without a heavy feel.

Summary

Emulsifying Agent Solubilizing Agent Skin Conditioning Agent Humectant Emollient Surfactant Cleansing Agent Consistency Enhancer Binding Agent Softening Agent Fixative

Science

Mechanism of Action

This polyethylene glycol derivative of hydrogenated castor oil functions as an effective emulsifying agent, stabilizing formulations by blending oil and water-based ingredients and preventing their separation. It also excels as a solubilizing agent, adept at uniformly dispersing active compounds, essential oils, and fragrances in water-based products. When applied to the skin, it acts as a conditioning agent and humectant, drawing and retaining moisture to deeply hydrate. Its emollient properties create a subtle barrier, minimizing transepidermal water loss and imparting a soft, non-greasy feel. Furthermore, it serves as a mild surfactant and cleansing agent, gently purifying the skin and enhancing foam in cleansing products without stripping natural lipids.

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 5 – 7
0 7 14

Stability

PEG-25 Hydrogenated Castor Oil exhibits robust stability across a broad temperature range, with optimal performance maintained within a pH range of 5 to 7.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
100%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that PEGylated oils, including PEG-25 Hydrogenated Castor Oil, are safe for use in cosmetics under current practices and concentrations, provided the final formulations are non-irritating. This ingredient, a polyethylene glycol derivative of Hydrogenated Castor Oil with an average of 25 moles of ethylene oxide, is chemically analogous to related PEGylated castor oils found safe at concentrations up to 100%. The FDA acknowledges its derivation from castor oil and highlights the necessity of purification steps during production to mitigate potential 1,4-dioxane contamination before its inclusion in cosmetic formulations.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-25 Hydrogenated Castor Oil is a valuable multifunctional ingredient, enhancing formulation stability and ingredient dispersion while providing gentle conditioning and hydration to the skin.

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