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Moumoujus

POLYESTER-23.

Insufficient Data / FILM FORMING

POLYESTER-23 is a synthetic polymer recognized for its film-forming properties, designed to create a continuous and protective layer upon application to the skin, hair, or nails. This functionality supports product integrity and surface enhancement in cosmetic formulations.

Summary

Film-forming

Science

Mechanism of Action

This ingredient functions by depositing a fine, cohesive film on the surface of the skin. This barrier can contribute to a smoother feel, offer protective benefits, and aid in the longevity or performance of a cosmetic product.

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

General polyester materials may experience degradation in aqueous environments, with a noted increase in degradation rates under higher pH (alkaline) conditions. Formulators should consider pH stability for optimal product integrity.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

EWG Skin Deep assigns POLYESTER-23 'LOW' concerns regarding potential for cancer, allergies, immunotoxicity, and developmental or reproductive toxicity. It is not listed on EWG's Restricted or Unacceptable Lists, suggesting a favorable preliminary safety profile, though a formal CIR review is pending.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

While POLYESTER-23 acts as a film-former with preliminary low safety concerns from EWG, the absence of clinical efficacy studies and a formal CIR review means there is currently insufficient data for a comprehensive verdict.

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