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Moumoujus

POLYURETHANE-85.

Insufficient Data / BINDING

POLYURETHANE-85 is a synthetic polymer that, consistent with the broader polyurethane class, typically functions as a film-former, establishing a protective barrier on the skin. It may also contribute to skin hydration and enhance elasticity, offering a smoother skin feel.

Summary

Film-former Moisturizer Emulsifier

Science

Mechanism of Action

As a member of the polyurethane family, POLYURETHANE-85 is anticipated to primarily function as a film-forming agent, creating a breathable yet protective layer on the skin's surface. This barrier helps to reduce transepidermal water loss, thereby supporting skin hydration and contributing to a smoother, more elastic skin texture. Certain polyurethanes also possess emulsifying properties, which may extend to this variant.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Unknown
Optimal pH N/A
0 7 14

Stability

POLYURETHANE-85 is not recognized as a standard INCI ingredient, leading to limited specific formulation data. While general polyurethanes show varied stability across pH ranges (e.g., some stable from pH 7 to 11, others from pH 4 to 9), they typically exhibit limited resistance to concentrated acids and strong alkaline solutions, which can induce degradation. Specific solubility for POLYURETHANE-85 is ambiguous in current data, with general 85A Durometer Polyurethane reported as insoluble in water, despite other indications.

Conflicts

  • Concentrated acids
  • Strong alkaline solutions (high pH)
  • Some solvents (e.g., acetone, benzene)

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel assessed 66 related polyurethane ingredients, concluding their safety in cosmetic practices provided no detectable residual isocyanate or other monomers are present. However, POLYURETHANE-85 is not explicitly listed among the ingredients reviewed in available CIR reports. While the FDA regulates polyurethanes for various applications, comprehensive cosmetic safety details specifically for POLYURETHANE-85 are not detailed in the provided research.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

Due to its unlisted INCI status, contradictory solubility data, and lack of explicit safety assessments specific to POLYURETHANE-85, there is insufficient data to confidently assess its precise efficacy and safety profile.

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References

Sources