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Moumoujus

ACRYLAMIDE/ETHALKONIUM CHLORIDE ACRYLATE COPOLYMER.

Valuable CAS 74153-51-8 / FILM FORMING, HAIR CONDITIONING, VISCOSITY CONTROLLING

A cationic quaternized copolymer, this ingredient forms a thin, protective film on skin and hair. It functions as a conditioning and film-forming agent, enhancing skin smoothness and improving product spreadability.

Summary

antistatic film forming skin conditioning viscosity controlling

Science

Mechanism of Action

Its positive charge attracts it to negatively charged skin and hair surfaces, creating a continuous film. This film helps to trap moisture, reduce flakiness, restore elasticity, and improve the tactile feel of formulations.

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 3 – 9
0 7 14

Stability

Stable in acidic conditions down to pH 3, but can undergo hydrolysis in highly alkaline environments (above pH 9), affecting its properties.

Conflicts

  • Anionic surfactants
  • Strongly alkaline ingredients
  • Nitrosating systems (when formulated with secondary amines)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
7%
Sensitization risk Low

The primary safety concern is the residual acrylamide monomer, which must not exceed 5 ppm in finished cosmetic formulations. EU regulations restrict residual acrylamide to 0.1 mg/kg in leave-on body products and 0.5 mg/kg in other products.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This copolymer is a valuable film-forming and skin-conditioning agent, enhancing skin feel and hydration with broad skin compatibility and a low irritancy profile, provided residual monomer levels are strictly controlled.

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