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Moumoujus

AMP-ACRYLATES COPOLYMER.

Valuable / FILM FORMING

A sophisticated synthetic polymer that creates an invisible protective film on skin while controlling product texture and stability. This neutralized acrylic copolymer excels at locking in moisture, enhancing water resistance in sunscreens, and ensuring long-lasting adherence of active ingredients. Its dual functionality as both a film-former and viscosity modifier makes it invaluable in precision skincare formulations.

Summary

film forming viscosity controlling emulsion stabilizing moisture retention

Science

Mechanism of Action

Forms a flexible, continuous film on the skin surface that provides moisture retention and creates a barrier against environmental stressors. Simultaneously functions as a rheology modifier by increasing water phase viscosity, which stabilizes emulsions and improves product adherence to skin.

Research

Clinical Evidence

High confidence
Effective range 0.5–25%
Optimal

1%

Key findings

  1. 01 Demonstrated low skin irritation and sensitization potential in human clinical studies
  2. 02 Non-sensitizing in lymph node assays and human patch tests with related variants

Transparency

Dusting Analysis

Not commonly dusted

As a functional polymer rather than an active ingredient, dusting concerns are minimal since efficacy depends on film-forming properties rather than concentration alone.

The Formula

Formulation

Solubility
Both
Optimal pH 6.3 – 8
0 7 14

Stability

Requires neutralization with aminomethyl propanol (AMP) to achieve water dispersibility. Exhibits excellent thermal stability and shear resistance across wide temperature ranges.

Synergies

  • Aminomethyl Propanol
  • UV filters
  • Moisturizing agents

Conflicts

  • Cationic polymers
  • Strong oxidizing agents
  • Acidic ingredients below pH 6.3

Safety

Safety Profile

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

Safety profile depends on strict control of residual acrylic acid monomers in cosmetic-grade materials. Well-tolerated across all skin types when properly formulated.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A technically sophisticated ingredient that enhances product performance through superior film-forming and stabilization properties with excellent safety credentials.

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