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PEG-75 DIOLEATE.

Valuable CAS 9005-07-6 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-75 DIOLEATE is a versatile polyoxyethylene glycol diester of oleic acid, functioning as a critical emulsifier and surfactant in skincare formulations. It stabilizes oil and water phases while also exhibiting humectant and emollient properties to enhance skin hydration and softness.

Summary

emulsifying surfactant humectant emollient solvent binding softening moisturizing solubilizer

Science

Mechanism of Action

PEG-75 DIOLEATE primarily acts as an emulsifier and surfactant, stabilizing immiscible oil and water phases by effectively reducing surface tension. It also functions as a solubilizer, enabling the dispersion of hydrophobic substances in aqueous systems. The PEG-75 component imparts humectant benefits, attracting and binding water to the skin's surface for improved hydration, and emollient qualities that soften the skin and support its protective barrier function against moisture loss. Additionally, it serves as a solvent, contributing to the desirable texture and cohesiveness of a formula.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 2 – 10
0 7 14

Stability

PEG-75 DIOLEATE demonstrates robust stability within a broad pH range of 2-10 and is minimally impacted by oxidative or reducing agents. It exhibits compatibility with most other solubilizers, including electrolyte solutions at concentrations up to 10%. For optimal integration into formulations, it is recommended to first melt the ingredient, then incorporate three times its volume of hot water under continuous stirring, followed by dilution with either hot or cold water.

Synergies

  • most other solubilizers
  • up to 10% electrolyte solutions

Safety

Safety Profile

CIR Status
Safe as used
Max tested
36%
Pregnancy
Caution
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded PEG-75 DIOLEATE is safe for cosmetic use, with assessments covering concentrations up to 36%. PEG-75 itself was not found to be a sensitizer at 100%. While potential contamination with ethylene oxide and 1,4-dioxane is a known concern for PEG compounds, industry standard purification steps are typically employed to remove these impurities. However, caution is advised for use during pregnancy and in formulations for children, based on recommendations for related PEG-75 Lanolin compounds.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

PEG-75 DIOLEATE is a valuable multi-functional ingredient, offering essential emulsifying, solubilizing, and skin-conditioning benefits for a wide array of cosmetic formulations.

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