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LAURYL ACRYLATE/VA CROSSPOLYMER.

Optional CAS 152129-78-7 / ABRASIVE

LAURYL ACRYLATE/VA CROSSPOLYMER is a synthetic, crosslinked polymer formed from lauryl acrylate and vinyl acetate. It primarily functions as a film-former, providing structural support in cosmetic formulations, and also serves as a rheology modifier and stabilizer.

Summary

Film-former Absorbent Emulsion Stabilizer Viscosity Increasing Agent Suspending Agent Binder Skin Conditioning Agent

Science

Mechanism of Action

This polymer works by forming a durable, flexible film on surfaces, which can contribute to properties like hair styling or creating a protective layer on the skin. In skincare, it also acts as an absorbent, an emulsion stabilizer to prevent ingredient separation, and a viscosity increasing agent to adjust product texture. Furthermore, it can function as a suspending agent to keep insoluble particles dispersed, a binder for cohesive product integrity, and a skin conditioning agent.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 6.3 – 8
0 7 14

Stability

While a precise optimal pH range is not exclusively defined for this specific crosspolymer, similar acrylate copolymers generally exhibit optimal thickening and stabilizing properties within a pH range of 6.3 to 8.0, extending effectively up to pH 11. Some formulations allow for performance at pH values below 6. Stability is critically dependent on avoiding the use of benzene in its polymerization process.

Conflicts

  • Benzene (if used in polymerization and not adequately removed)
  • Residual monomers (e.g., methacrylic acid, acrylic acid)

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel has determined that LAURYL ACRYLATE/VA CROSSPOLYMER is safe for use in cosmetics under current practices and concentrations, provided its polymerization does not involve benzene. If benzene is utilized in its manufacturing, a comprehensive risk assessment for residual benzene content is mandatory. Furthermore, potential contamination by residual toxic impurities, such as methacrylic acid and acrylic acid, must be carefully managed. Its safety is also subject to specific concentration or use limitations to avoid potential skin irritation.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Moderate
Comedogenicity Unknown

Our Assessment

Verdict

Optional

LAURYL ACRYLATE/VA CROSSPOLYMER is an optional functional ingredient, primarily valued for its film-forming and rheology-modifying properties, but requires strict adherence to safety guidelines regarding manufacturing processes and impurity levels.

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