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Moumoujus

BEHENETH-25 METHACRYLATE.

Valuable CAS 115047-92-2 (generic) / NOT REPORTED

A high-performance associative polymer designed to provide structural integrity and a refined skin feel to complex emulsions. It creates a sophisticated texture that balances rich viscosity with a lightweight, non-greasy finish, making it ideal for precision skincare formulations.

Summary

viscosity controlling emulsion stabilising texture enhancer

Science

Mechanism of Action

As a Hydrophobically Modified Alkali-Soluble Emulsion (HASE) polymer, it functions through a dual-action 3D network. Its hydrophobic 'tails' link with oils and other polymers while its anionic backbone swells upon neutralization, providing both electrostatic stabilization and immediate thickening.

Research

Clinical Evidence

High confidence
Effective range 0.3–1.7%
Optimal

1%

Key findings

  1. 01 Clinical evaluations of O/W emulsions demonstrated significant skin-smoothing benefits and enhanced spreadability without residual stickiness.
  2. 02 Safety assessments and HRIPT tests confirm low sensitization and irritation potential at concentrations up to 1.7%.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.3%
Red flag below
0.1%

This is a structural ingredient rather than an active; however, using it below 0.3% may fail to provide the intended emulsion stability and sensory benefits identified in clinical trials.

The Formula

Formulation

Solubility
Both
Optimal pH 5.5 – 12
0 7 14

Stability

Supplied as a liquid that thickens instantly upon neutralization. It offers excellent UV stability and high tolerance for electrolytes and salts.

Synergies

  • Non-ionic surfactants
  • Mineral UV filters
  • High-salt actives

Conflicts

  • Strongly cationic ingredients
  • Formulations with pH below 5.0

Safety

Safety Profile

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

Safe for leave-on use up to 1.7%. Manufacturers must ensure low residual monomer levels to maintain high purity standards.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An essential stabilizer for creating elegant, high-stability emulsions that require a smooth, non-tacky finish across all skin types.

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References

Sources