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SODIUM ACRYLATES/BEHENETH-25 METHACRYLATE CROSSPOLYMER.

Valuable / SKIN CONDITIONING, VISCOSITY CONTROLLING

This sophisticated polymer precisely controls the viscosity and texture of cosmetic formulations, ensuring exceptional product stability and sensory appeal. Beyond its textural contributions, it also imparts skin conditioning benefits, promoting enhanced smoothness and sustained moisture retention.

Summary

Viscosity Controlling Emulsion Stabilizing Rheology Modifying Skin Conditioning Moisture Retention Film-Forming

Science

Mechanism of Action

SODIUM ACRYLATES/BEHENETH-25 METHACRYLATE CROSSPOLYMER functions by forming a robust, cross-linked network within aqueous solutions, thereby significantly increasing viscosity and modulating rheology. It also acts as an effective emulsion stabilizer, preventing phase separation and maintaining a uniform, light product consistency. This ingredient additionally contributes to skin hydration, facilitating a smoother skin feel and prolonged moisture retention.

Research

Clinical Evidence

High confidence
Effective range 0.05–1.7%
Optimal

N/A

Key findings

  1. 01 Effectively utilized in leave-on cosmetic products at concentrations ranging from 0.3% to 1.7% to control rheology and viscosity, optimizing product texture and stability.
  2. 02 Employed in rinse-off cosmetic products within a concentration range of 0.05% to 1% for rheology modification and viscosity control.

Transparency

Dusting Analysis

Not commonly dusted

No data available to suggest this ingredient is commonly 'dusted' or poses a risk at certain concentrations due to over-formulation.

The Formula

Formulation

Solubility
Water
Optimal pH 6 – 8
0 7 14

Stability

This polymer is soluble in water across a pH range of 6.0 to 8.0, becoming insoluble at pH levels of 2.0 to 3.0. It demonstrates enhanced compatibility with electrolytes and effectively stabilizes emulsions, even in their presence. It is versatile for use in both hot and cold processing methods.

Synergies

  • Exhibits improved compatibility with electrolytes, effectively stabilizing emulsions even in their presence.

Conflicts

  • Incompatible with formulations where the polymer was processed using benzene, due to significant safety concerns associated with benzene.
  • Potential for increased skin irritation when combined with other ingredients known to cause dermal sensitivity.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
1.7%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that acrylates copolymers, including SODIUM ACRYLATES/BEHENETH-25 METHACRYLATE CROSSPOLYMER, are safe for use in cosmetic products when formulated to be non-irritating to the skin and within current usage concentrations. It is critical that the ingredient is not polymerized using benzene, and any residual solvent levels must be stringently minimized according to Good Manufacturing Practices (GMPs).

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This highly versatile polymer is a valuable ingredient for precisely controlling texture, stabilizing emulsions, and enhancing skin feel across a broad range of cosmetic formulations, with a robust safety profile.

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