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Moumoujus

POLYURETHANE-1.

Valuable CAS - / BINDING, FILM FORMING, HAIR FIXING

POLYURETHANE-1 is a versatile polymer engineered to form a continuous, protective film on the skin, hair, and nails. This ingredient effectively functions as a binding agent, enhancing product stability, while simultaneously delivering moisturizing benefits and reinforcing the skin's natural barrier.

Summary

Binding agent Film forming Hair fixing Moisturizing Skin barrier protection

Science

Mechanism of Action

As a film former, POLYURETHANE-1 creates a uniform layer across the skin's surface upon application. This layer not only contributes to skin softness and elasticity through moisturization but also acts as a robust physical barrier. This protective film helps shield the skin from various external environmental stressors, including sun exposure, cold temperatures, and urban pollution.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No specific data regarding 'dusting' characteristics or thresholds for POLYURETHANE-1 were identified in the available research.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

POLYURETHANE-1 is generally recognized as a chemically inert and stable material, demonstrating resilience against various chemical attacks, UV radiation, moisture, and temperature fluctuations. It maintains stability in the presence of dilute acids and alkalis. However, it is important to note that polyester-based polyurethanes may undergo hydrolysis with prolonged exposure to moisture and heat, a degradation process accelerated by acidic conditions.

Conflicts

  • Acetone
  • Dichloromethane
  • Diethylformamide
  • Methyl Ethyl Ketone
  • Strong acids

Safety

Safety Profile

CIR Status
Safe as used
Max tested
15%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that POLYURETHANE-1, among 66 polyurethane ingredients, is safe for use in cosmetics at current practices and concentrations, provided that no residual isocyanate or other monomers are detectable. A study indicated that POLYURETHANE-1 (at 30% concentration in water and ethanol) did not induce dermal irritation in rabbits, and it generally exhibits low irritancy according to INCIDecoder data. A maximum concentration of 15% has been reported for use in nail products.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

POLYURETHANE-1 is a valuable ingredient due to its effective film-forming and binding properties, offering significant benefits for skin moisturization and barrier enhancement, making it particularly suitable for normal, dry, and sensitive skin types across a broad spectrum of cosmetic formulations.

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