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Moumoujus

METHOXY PEG-114/POLYEPSILON CAPROLACTONE.

Optional / BUFFERING, FILM FORMING, HAIR CONDITIONING

This amphiphilic copolymer, blending hydrophilic polyethylene glycol (PEG) with hydrophobic polyepsilon caprolactone, serves as a multifunctional ingredient. It is primarily utilized for pH control and creating a protective film on the skin, contributing to product stability and skin texture.

Summary

Buffering Film Forming Hair Conditioning Humectant Consistency Enhancer Solubilizer Solvent

Science

Mechanism of Action

METHOXY PEG-114/POLYEPSILON CAPROLACTONE functions as a buffering agent, actively stabilizing the pH of cosmetic formulations. Its ability to form a continuous film on the skin, hair, and nails provides a protective barrier. As an amphiphilic compound, combining the properties of PEG and caprolactone, it enhances water dispersibility and cellular compatibility, while also acting as a humectant to attract and retain moisture, leaving the skin feeling supple and conditioned.

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 N/A
0 7 14

Stability

This ingredient effectively stabilizes product pH due to its buffering capabilities. Polyethylene glycols typically exhibit good microbiological stability, often reducing the need for additional preservatives within the ingredient itself.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Moderate

While not yet reviewed by the Cosmetic Ingredient Review (CIR), this substance has been assessed by the Scientific Committee on Consumer Safety (SCCS) and is approved for use under specified conditions as per Annex III of the EC Cosmetics Regulation. It is also designated as safe for general or limited use in food by the US FDA. However, due to potential contamination concerns with ethylene oxide and 1,4-dioxane, it faces high use restrictions and is regulated in cosmetics by the EU Cosmetics Directive and in the UK. INCI Beauty assigns a 'Medium penalty' across its categories, reflecting these concerns, despite general PEGs being considered well-tolerated by the skin.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

This ingredient offers valuable buffering and film-forming properties, beneficial for product stability and skin conditioning; however, potential contamination concerns and regulatory restrictions warrant careful consideration for its inclusion in precision skincare.

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