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Moumoujus

PEG-16 OLEATE.

Valuable CAS 9004-96-0 / SURFACTANT - EMULSIFYING

PEG-16 Oleate is a polyether compound that functions primarily as a versatile emulsifier and surfactant, stabilizing oil-in-water formulations. It also contributes to skin hydration as a humectant and provides emollient properties, helping to soften and smooth the skin.

Summary

Emulsifying Surfactant Humectant Emollient Solubilizer Vehicle Consistency Enhancer Binding Agent Softening Agent Fixative

Science

Mechanism of Action

On the skin, PEG-16 Oleate acts as a surfactant, significantly reducing the surface tension between immiscible phases to facilitate the formation and stability of emulsions. As a humectant, it attracts and binds water molecules through hydrogen bonding, aiding in moisture retention within the stratum corneum and creating a mild occlusive layer to mitigate transepidermal water loss. Furthermore, its emollient capabilities contribute to a smoother and more supple skin texture. It can also serve as a vehicle, potentially enhancing the penetration and delivery of other active ingredients into the skin.

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, including PEG-16 Oleate, exhibit good stability in typical cosmetic product formulations.

Conflicts

  • When formulating with ingredients whose safety relies on limited dermal absorption, caution is necessary as PEG-16 Oleate may enhance their penetration into the skin.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that PEGylated alkyl glycerides, a category encompassing PEG oleates, are safe when used in current cosmetic practices and concentrations, provided they are formulated to be non-irritating. The CIR specifically removed a previous caveat concerning the use of PEGs on damaged skin in 2010. While a precise maximum concentration for PEG-16 Oleate is not provided, related PEG dilaurates have been deemed safe up to 25%. EWG Skin Deep evaluates PEG-16 Oleate with low concerns regarding cancer, allergies, immunotoxicity, developmental and reproductive toxicity, and skin/eye/lung irritation. However, it indicates high concerns for potential contamination from impurities like Ethylene Oxide and 1,4-Dioxane, which necessitates careful raw material sourcing and purification processes.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-16 Oleate is a valuable multi-functional ingredient that effectively stabilizes emulsions, provides hydration and emollience, and aids in ingredient delivery, with a favorable safety profile when formulated correctly and sourced with purity in mind.

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