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Moumoujus

SODIUM METHOXY PEG-16 MALEATE/STYRENE SULFONATE COPOLYMER.

Valuable CAS - / FILM FORMING, HAIR FIXING, HAIR WAVING OR STRAIGHTENING

This copolymer functions as an advanced film-forming agent, establishing an ultra-thin, continuous protective layer on both skin and hair. This barrier is instrumental in safeguarding against external aggressors such as chemical exposure, UV radiation, and environmental pollutants. Beyond its protective capabilities, it is highly valued in hair care for its ability to provide durable styling, hold, and facilitate hair texture modification.

Summary

Film-forming Protective agent Hair fixative Hair waving/straightening agent

Science

Mechanism of Action

Sodium Methoxy PEG-16 Maleate/Styrene Sulfonate Copolymer operates by forming a resilient, imperceptible film on the surface of the skin or hair. On the skin, this film acts as a physical shield, helping to counteract and mitigate damage induced by various environmental factors. In hair applications, it functions as a potent fixative, enabling prolonged styling and hold, and can chemically interact with hair fibers to achieve waving or straightening effects.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded in a 2014 safety assessment that styrene and vinyl-type styrene copolymers, including this ingredient, are safe under current cosmetic use and concentration practices.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

This copolymer is a valuable ingredient, primarily for its film-forming and protective properties on skin and hair, with an established safety profile across various cosmetic applications.

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