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Moumoujus

PVM/MA COPOLYMER.

Valuable CAS 9011-16-9 / ANTISTATIC, BINDING, EMULSION STABILISING, FILM FORMING, HAIR FIXING, VISCOSITY CONTROLLING

PVM/MA Copolymer is a synthetic polymer that acts primarily as a film-forming agent, creating a breathable, protective layer on the skin's surface. This barrier effectively reduces transepidermal water loss, contributing to enhanced hydration and a smoother skin texture while offering protection from environmental stressors.

Summary

Film forming Binding agent Viscosity controlling Emulsion stabilising Suspending agent Antistatic

Science

Mechanism of Action

PVM/MA Copolymer functions by forming an invisible, non-occlusive film on the skin. This polymeric shield is crucial for minimizing moisture evaporation, thereby supporting skin hydration, and offering a protective layer against external irritants and environmental influences such as pollution. In formulations, it also serves as a binding agent, helps control viscosity, and stabilizes emulsions, contributing to product integrity and texture.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The provided research does not indicate that PVM/MA Copolymer is an ingredient commonly associated with dusting concerns during manufacturing or application processes.

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 10
0 7 14

Stability

PVM/MA Copolymer is stable across a broad pH range of 3 to 10. Its aqueous solutions are initially strongly acidic, requiring neutralization with alkaline agents before use, which concurrently increases viscosity. It should be stored at room temperature (25-40°C), with heat exposure above 80°C to be avoided.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that PVM/MA Copolymer and its related salts and esters are safe for use in cosmetic products under current practices. Its large molecular weight prevents skin penetration, minimizing systemic exposure. Human volunteer studies have shown no evidence of skin irritation, sensitization, or photosensitization. The FDA also permits its use in certain food-contact adhesives and denture adhesives.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PVM/MA Copolymer is a valuable cosmetic ingredient for creating a protective skin barrier, enhancing product stability, and supporting improved skin texture, all while maintaining an excellent safety profile.

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