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Moumoujus

PEG-8 HYDROGENATED FISH GLYCERIDES.

Valuable / SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING

PEG-8 Hydrogenated Fish Glycerides is a polyoxyethylene derivative of hydrogenated fish glycerides, serving as a versatile conditioning agent that imparts softness and smoothness to the skin. It concurrently functions as an effective emulsifier, stabilizing product formulations by facilitating the homogeneous blending of oil and water phases.

Summary

emollient emulsifying solubilizer viscosity control agent humectant skin conditioning surfactant

Science

Mechanism of Action

This ingredient operates across several key mechanisms within skincare formulations. As an emollient, it conditions the skin surface, enhancing tactile smoothness and softness. Its emulsifying capability is critical for formula integrity, ensuring oil and water phases remain stably dispersed. Additionally, as a polyoxyethylene (PEG) derivative, it exhibits humectant properties, actively attracting and binding atmospheric moisture to the stratum corneum for increased hydration, and assists in solubilizing other active compounds within a solution.

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 4.5 – 7.5
0 7 14

Stability

Leveraging the inherent stability of its PEG-8 polymer backbone, this ingredient demonstrates robust resistance across a pH range of 4.5 to 7.5, and tolerance to moderately strong acidic, alkaline, and saline environments. However, to prevent potential peroxide formation, storage exceeding 50°C for extended durations should be avoided.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
10%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has affirmed PEG-8 Hydrogenated Fish Glycerides, alongside analogous PEGylated alkyl glycerides, as safe for topical use in cosmetics up to 10% in leave-on products, provided formulations are designed to be non-irritating. While PEG-8 is FDA-approved for application on healthy skin, its use on sensitive or compromised skin is advised against due to the potential presence of trace impurities, including ethylene oxide and 1,4-dioxane.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This versatile ingredient offers valuable emollient, emulsifying, and humectant properties, deemed safe for healthy skin within a maximum concentration of 10%.

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