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PEG-3 OLEATE.

Valuable CAS 9004-96-0 / SURFACTANT - EMULSIFYING

PEG-3 Oleate is a multi-functional ingredient primarily recognized for its role as an emulsifier and surfactant, facilitating the stable blending of oil and water in formulations. As a polyethylene glycol derivative, it also contributes to skin conditioning through humectant properties, aiding in moisture retention.

Summary

Emulsifier Surfactant Cleansing Agent Solubilizer Humectant

Science

Mechanism of Action

This ingredient functions by reducing the interfacial tension between immiscible phases, thereby stabilizing emulsions and preventing separation. Its surfactant properties also enhance cleansing by allowing water to efficiently mix with and remove oily residues and dirt from the skin. Additionally, PEG-3 Oleate can attract and bind water molecules via hydrogen bonding, supporting sustained skin hydration and helping to minimize transepidermal water loss.

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

PEG-3 Oleate is water-soluble and effective in forming and stabilizing emulsions, as well as dissolving other ingredients. Due to the potential vulnerability of lipid and surfactant excipients to oxidation, formulating with antioxidants may be necessary to ensure long-term stability.

Conflicts

  • Avoid use on damaged or compromised skin barriers, as per CIR assessment.
  • Requires rigorous purification steps to control potential 1,4-dioxane impurities, a by-product of the ethoxylation process.
  • May pose a risk of cross-sensitization in individuals with known sensitivities to other PEG derivatives.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
25%
Sensitization risk Moderate

The CIR Expert Panel considers PEG Sorbitan/Sorbitol Fatty Acid Esters, a category including PEG-3 Oleate, safe for cosmetic use up to 25% concentration, with a crucial caveat against use on damaged skin. Formulators must ensure purification to control trace amounts of 1,4-dioxane. PEG Oleate is recognized by the FDA in its Inventory of Food Contact Substances, and PEGs are generally regarded as safe (GRAS). Health Canada imposes a toxicity restriction for polyoxyethylene derivatives, including PEG-3 Oleate, at 25 mg/kg body weight daily.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-3 Oleate is a valuable multi-functional ingredient that supports emulsion stability and cleansing while offering mild humectant properties, though its use on compromised skin and impurity control are critical considerations for safe formulation.

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