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SODIUM ACRYLATE/ACROLEIN COPOLYMER.

Valuable / BINDING, FILM FORMING, VISCOSITY CONTROLLING

This copolymer serves as a multifunctional ingredient in precision skincare, primarily enhancing product texture and stability. It forms a protective film on the skin, thereby supporting hydration and potentially facilitating the controlled release of active ingredients.

Summary

Binder Film Former Viscosity Increasing Agent Stabilizer Thickening Agent Texture Enhancer

Science

Mechanism of Action

SODIUM ACRYLATE/ACROLEIN COPOLYMER primarily functions as a binding agent, film former, and viscosity-increasing agent in cosmetic formulations. On the skin's surface, it creates a breathable, protective layer that significantly reduces transepidermal water loss (TEWL), aiding in moisture retention and sustaining skin hydration. This film-forming capability can also contribute to the gradual and controlled delivery of other active ingredients. Furthermore, its inclusion plays a crucial role in optimizing the texture and overall stability of cosmetic products.

Research

Clinical Evidence

Medium confidence
Effective range 0.5–25%
Optimal

25%

Key findings

  1. 01 Studies indicate efficacy as a texture enhancer, stabilizer, or suspending agent at concentrations as low as 0.5%, referring to the broader category of sodium acrylates copolymers.
  2. 02 Maximum reported concentration for its role as a film-forming or binding agent in leave-on dermal products is 25%, also referencing the broader acrylates copolymer class.

Transparency

Dusting Analysis

Not commonly dusted

No specific data regarding dusting properties of this ingredient was found in the research.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Optimal product performance and safety are critically dependent on the uniform production of this copolymer with extremely low residual monomer levels to prevent potential skin irritation.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
25%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that SODIUM ACRYLATE/ACROLEIN COPOLYMER, within the acrylates copolymer family, is safe for cosmetic use under current practices, provided it is formulated to be non-irritating. This necessitates the use of highly purified copolymers to minimize irritating residual monomers. While the maximum reported concentration for leave-on dermal products is 25%, some acrylates copolymers are used at much higher levels (up to 98.6%) in nail formulations. The SCCS was unable to conclude on the safety of nano-forms of similar acrylates copolymers due to insufficient data.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

SODIUM ACRYLATE/ACROLEIN COPOLYMER is a valuable multifunctional ingredient that significantly enhances product stability, texture, and offers beneficial film-forming properties for skin hydration, provided it is formulated according to safety guidelines.

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