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Moumoujus

PEG-50 SHEA BUTTER.

Valuable / SURFACTANT - EMULSIFYING

PEG-50 Shea Butter is a polyethylene glycol-modified derivative of shea butter, engineered to enhance its water-solubility while retaining its natural emollient and nourishing properties. It acts as a multi-functional ingredient, providing significant moisturizing benefits and serving as a versatile emulsifier in various skincare formulations.

Summary

Moisturizing Emollient Emulsifying Co-emulsifying Solubilizing Carrier

Science

Mechanism of Action

This ingredient works by forming a protective, occlusive barrier on the skin's surface, effectively locking in moisture to promote softness and smoothness. Beyond its hydrating role, it functions as a primary emulsifier, co-emulsifier, and solubilizer, enabling the creation and stabilization of oil-in-water emulsions. Furthermore, it can act as a carrier, facilitating the consistent dispersion, enhanced penetration, and stability of active ingredients within a formulation.

Research

Clinical Evidence

Low confidence
Effective range 1–5%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 4 – 8
0 7 14

Stability

This ingredient exhibits robust chemical stability across a broad spectrum of temperatures and pH levels. For optimal longevity, store in a cool, dry place, protected from direct light.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
5%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed shea-derived ingredients, including those similar to PEG-50 Shea Butter, concluding they are safe for use in current cosmetic practices and concentrations, provided formulations are non-sensitizing. While generally well-tolerated and considered non-irritating for most skin types, the ethoxylation process inherent in its production can introduce trace amounts of potential carcinogens, namely ethylene oxide and 1,4-dioxane. Moumoujus prioritizes using highly purified forms to minimize these impurities. California's Proposition 65 includes a warning regarding potential exposure to these byproducts. Patch testing is advised, especially for individuals with sensitive skin, and it is recommended for use within 1-5% concentrations.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

PEG-50 Shea Butter is a valuable multi-functional ingredient offering significant moisturizing and emulsifying benefits for various skin types, provided high-purity forms are sourced to mitigate trace impurity concerns.

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