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PEG-18 PALMITATE.

Valuable CAS 9004-94-8 / SURFACTANT - EMULSIFYING

PEG-18 Palmitate is a versatile ingredient functioning primarily as a skin conditioning emollient and an emulsifying surfactant. It enhances skin smoothness and provides structural stability to formulations by creating stable oil-in-water mixtures.

Summary

emollient emulsifying solubilizer solvent humectant consistency enhancer softening agent

Science

Mechanism of Action

This PEGylated fatty acid ester acts as an emollient by softening and smoothing the skin's surface. As a surfactant, it reduces interfacial tension, facilitating the formation of finely dispersed emulsions crucial for product consistency. Its polyethylene glycol structure contributes to hydration by forming hydrogen bonds with water molecules, thereby retaining moisture and supporting the skin's barrier function against 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

Generally stable, however, PEG Palmitate can be prone to hydrolysis under conditions of strong acidity or alkalinity.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The CIR Expert Panel has concluded PEGylated alkyl glycerides, including PEG-18 Palmitate, are safe for use in cosmetics under current practices and concentrations, provided they are formulated to be non-irritating. The previous cautionary advice regarding PEGs on damaged skin has been removed. Regulatory bodies, including the US FDA and European cosmetic regulations, permit its use, with a standing recommendation for manufacturers to continue efforts in minimizing impurities like ethylene oxide and 1,4-dioxane.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-18 Palmitate is a valuable ingredient, safely contributing to product stability, skin conditioning, and hydration due to its versatile emollient, emulsifying, and humectant properties.

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