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Moumoujus

ACRYLATES/METHOXY PEG-23 METHACRYLATE COPOLYMER.

Valuable / FILM FORMING

This advanced copolymer creates a durable, breathable film on the skin surface, imparting significant flexibility and softness. It notably enhances the longevity and remanence of other active ingredients within formulations.

Summary

film former skin protecting viscosity controlling

Science

Mechanism of Action

Acting primarily as a film-former, its hydrophilic PEG-23 chains form a continuous, flexible barrier on the skin. This film improves water resistance and serves as a protective reservoir, optimizing active ingredient delivery and persistence.

Research

Clinical Evidence

High confidence
Effective range 0.1–5%
Optimal

N/A

Key findings

  1. 01 Concentrations from 0.1% to 5% deliver significant remanence, flexibility, and softness to the skin by forming a durable coating.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 7.5
0 7 14

Stability

PEG-23 side chains provide steric stabilization, enhancing stability across varying ionic strengths. Optimal transparency and viscosity are maintained within a slightly acidic to neutral pH range of 5.0-7.5.

Conflicts

  • Strong cationic surfactants
  • High concentrations of electrolytes (salts)
  • Extremely low pH (< 4.0)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
25%
Sensitization risk Low

The CIR Expert Panel affirmed its safety for cosmetic use when formulated to be non-irritating. The 25% concentration limit applies to leave-on dermal products.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A valuable film-former and skin protector, this copolymer enhances ingredient longevity, skin feel, and formula water resistance with a low risk of irritation.

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