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PEG-8 LINOLEATE.

Valuable / SKIN CONDITIONING - EMOLLIENT

PEG-8 Linoleate is a multi-functional polyethylene glycol derivative, engineered to enhance skin texture, boost hydration, and optimize cosmetic formulation integrity. It effectively softens and smooths the skin while also ensuring uniform ingredient distribution and emulsion stability.

Summary

Skin Conditioning Emollient Humectant Solvent Emulsifier

Science

Mechanism of Action

This ingredient conditions the skin, improving its overall feel and appearance. It acts as a humectant, drawing and retaining moisture to provide hydration. Furthermore, it functions as a solvent, aiding in the effective dispersion and absorption of other cosmetic components, and as an emulsifier, stabilizing oil-in-water mixtures within product formulations.

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 4 – 7.5
0 7 14

Stability

PEG-8 Linoleate maintains stability across a pH range of 4.0 to 7.5 and is resistant to moderately strong acids, alkalis, and salt solutions. While it does not foster mold growth, polyethylene glycols are susceptible to oxidative degradation in air, a process that can be mitigated by minimizing heat and oxygen exposure or incorporating antioxidants.

Conflicts

  • phenol
  • sorbitol
  • tannic acid
  • salicylic acid
  • certain plastics
  • penicillin
  • bacitracin

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has determined PEG-8 and its derivatives, including PEG-8 Linoleate, to be safe for use in cosmetics under current conditions. A re-evaluation in 2010 affirmed general skin safety, removing previous caveats regarding use on damaged skin. Manufacturers are encouraged to minimize impurities like ethylene oxide and 1,4-dioxane. PEG-8 is also recognized by the FDA as Generally Recognized As Safe (GRAS) for certain indirect food additive applications.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-8 Linoleate is a valuable, multi-functional ingredient, deemed safe for general cosmetic use, providing skin conditioning, hydration, and crucial formulation benefits like emulsification and solubilization.

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