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Moumoujus

POLYURETHANE-32.

Valuable CAS - / BINDING

POLYURETHANE-32 acts as a sophisticated film-forming agent and binder, creating a subtle yet effective barrier on the skin's surface. This innovative polymer not only enhances skin hydration and refines texture for a softer feel but also offers critical defense against environmental stressors like sun exposure, cold, and urban pollution.

Summary

Film-forming agent Binder Moisturizer Skin protectant

Science

Mechanism of Action

This ingredient operates by forming a breathable, protective film upon application, effectively binding to the skin. This barrier function is multifaceted: it actively reduces transepidermal water loss, contributing to sustained skin hydration and a smoother texture. Simultaneously, it creates a physical shield, minimizing the impact of external aggressors such as UV radiation, temperature extremes, and pollutants.

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 4 – 9
0 7 14

Stability

POLYURETHANE-32 demonstrates robust stability within a pH range of 4.0 to 9.0. Related waterborne polyurethanes are generally considered stable, showing minimal hydrolysis within this specified pH window.

Conflicts

  • Formulators must exercise caution to avoid high concentrations of sensitizing agents, particularly when combining multiple raw material solutions that may contain preservatives like methylisothiazolinone.
  • Exposure to strong solvents, acids, or bases (e.g., acetone, chlorine bleach, concentrated sulfuric acid, xylene) may induce slight swelling or discoloration in urethane materials over prolonged periods.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed polyurethanes, including POLYURETHANE-32, safe under current usage practices and concentrations, provided they are formulated to be non-sensitizing and free of detectable residual isocyanates or monomers. However, it is crucial for formulators to prevent the accumulation of sensitizers (such as methylisothiazolinone) that might be present in raw material emulsions or solutions. Specific SCCS or direct FDA cosmetic ingredient approval for POLYURETHANE-32 itself is not documented; FDA regulations primarily address polyurethane resins used in food-contact adhesives.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

POLYURETHANE-32 is a valuable multifunctional ingredient, offering significant film-forming, hydrating, and protective benefits for all skin types, provided careful attention is paid to its formulation to ensure non-sensitization.

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