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SODIUM ACRYLATE/ACRYLONITROGENS COPOLYMER.

Valuable CAS - / BINDING, FILM FORMING, SKIN CONDITIONING, VISCOSITY CONTROLLING

SODIUM ACRYLATE/ACRYLONITROGENS COPOLYMER is a synthetic polymer meticulously engineered to enhance the textural integrity and stability of cosmetic formulations. It primarily functions as a thickening agent, emulsifier, and film-former, contributing to a refined product experience and improved skin hydration.

Summary

Viscosity increasing agent (aqueous) Film-forming agent Texture enhancer Binder Stabilizer Emulsifier

Science

Mechanism of Action

This synthetic polymer operates by forming a stable network within cosmetic formulations, effectively thickening and emulsifying ingredients to prevent separation and ensure a consistent texture. On the skin, it creates a flexible, invisible film that acts as a protective layer, bolstering the skin's natural moisture barrier. This film reduces transepidermal water loss, locking in essential hydration and potentially facilitating the sustained release of active ingredients over prolonged periods.

Research

Clinical Evidence

High confidence
Effective range 0.5–25%
Optimal

N/A

Key findings

  1. 01 Demonstrated efficacy in enhancing formulation texture, stabilizing emulsions, and suspending active ingredients for uniform distribution.
  2. 02 Utilized for its film-forming capabilities, creating a protective barrier, and as a binding agent to hold ingredients together.
  3. 03 Evaluated in a human repeated insult patch test (HRIPT) involving 47 subjects, showing no evidence of irritation or sensitization when used as 'Acrylates Copolymer', indicating a favorable safety profile at this concentration.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

This ingredient exhibits robust stability and effectiveness across a broad pH spectrum, making it suitable for acidic, neutral, and alkaline cosmetic formulations.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
25%
Sensitization risk Low

The Expert Panel for Cosmetic Ingredient Safety (CIR) concluded that 'sodium acrylates copolymer' and related 'acrylates copolymers' are safe for use in cosmetics at current concentrations, provided they are formulated to be non-irritating to the skin, which typically requires highly purified materials. The EWG Skin Deep® database further supports a 'LOW' hazard rating across multiple categories, including cancer, allergies, and developmental toxicity.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

SODIUM ACRYLATE/ACRYLONITROGENS COPOLYMER is a highly valuable multi-functional ingredient, crucial for optimizing formulation aesthetics and stability, while also providing beneficial film-forming properties that enhance skin hydration across all skin types.

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