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PEG-8 C12-18 ALKYL ESTER.

Valuable / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-8 C12-18 Alkyl Ester is a versatile ingredient that functions as a humectant and emollient, promoting skin hydration and a smoother feel. It also serves as an effective solvent, emulsifier, and surfactant, crucial for creating stable and efficacious product formulations.

Summary

emulsifying surfactant moisturizer/humectant solvent skin-conditioning agent emollient

Science

Mechanism of Action

This compound primarily operates by attracting and binding moisture, thereby acting as a humectant to enhance skin hydration. Its solvent properties facilitate the improved penetration and delivery of other active cosmetic ingredients. As an emulsifier and surfactant, it enables the stable integration of oil and water phases, contributing to a consistent product texture. Additionally, it acts as a skin-conditioning agent, lubricating the skin to reduce flaking and impart an overall improved appearance.

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 4 – 7.5
0 7 14

Stability

This ingredient generally maintains stability within a pH range of 4.0 to 7.5, which supports its integration into various cosmetic formulations.

Synergies

  • May enhance the dermal penetration of other ingredients, potentially increasing their bioavailability and efficacy.

Conflicts

  • Its ability to enhance dermal penetration necessitates careful formulation, especially with ingredients whose safety is contingent on limited skin absorption.
  • Formulators should prioritize purified forms of the ingredient to minimize potential contamination from toxic impurities such as ethylene oxide and 1,4-dioxane.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that related Alkyl PEG Ethers, PEG Stearates (including PEG-8 Stearate), and various Alkyl Esters are safe for cosmetic use when formulated to be nonirritating. PEG-8 is approved by the FDA and CIR. While a related PEG-8 Stearate demonstrated low sensitization potential, formulators should be aware of potential contamination by ethylene oxide and 1,4-dioxane. The CIR Panel has removed previous caveats regarding the use of some PEG derivatives on damaged skin.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-8 C12-18 Alkyl Ester is a valuable multifunctional ingredient, providing significant benefits in hydration, conditioning, and formulation stability with a low irritancy risk for related compounds, though attention to purity and potential individual sensitivities is recommended.

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