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ACRYLATES/ETHYLHEXYL ACRYLATE/HEMA/STYRENE COPOLYMER.

Valuable / FILM FORMING

This copolymer forms a flexible, water-resistant film on skin or hair, visibly smoothing fine lines and enhancing ingredient adhesion. It also improves water resistance and provides structural support for cosmetic formulations.

film former viscosity controlling skin conditioning

Science

Upon application, the copolymer coalesces into a continuous, hydrophobic film as solvents evaporate. This film provides tensioning effects to smooth skin, improves adhesion, and creates a moisture barrier.


Research

High confidence
Effective range 0.01–20%
Optimal

N/A

Key findings

  1. 01 At 0.01%-5.0%, it enhances film adhesion, provides water resistance, and visually improves fine lines via light diffraction and film contraction.
  2. 02 At 0.1%-20.0%, it acts as a primary film-former, improving combability, structural repair, and fiber elasticity in hair treatments.

Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH 5 – 8.5
0 7 14

Stability

Supplied as an aqueous emulsion, it remains stable in surfactant and emulsion systems. It is highly compatible with cationic and non-ionic ingredients.

Synergies

  • Cationic ingredients
  • Non-ionic ingredients

Conflicts

  • High electrolyte concentrations
  • Strongly acidic environments

Safety

CIR Status
Safe as used
Max tested
20%
Sensitization risk Low

Its high molecular weight prevents skin penetration, ensuring safety. Residual monomer levels are strictly controlled to be non-irritating.


Your Skin

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

Our Assessment

Valuable

A versatile polymer, it forms a protective, water-resistant film that visually smooths fine lines and enhances product longevity and texture.


Related

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References