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Moumoujus

POLYPENTAERYTHRITYL TEREPHTHALATE.

Insufficient Data / FILM FORMING

Polypentaerythrityl Terephthalate is a synthetic modified terephthalate polymer, currently without reported cosmetic applications but anticipated to serve as a multifunctional ingredient. While deemed safe by the CIR Expert Panel, its specific efficacy in skincare is yet to be established through dedicated use.

Summary

Exfoliant Bulking Agent Viscosity Increasing Agent (non-aqueous)

Science

Mechanism of Action

This polymer is hypothesized to act on the skin primarily as an exfoliant and bulking agent, potentially contributing to texture refinement and product body. In non-aqueous cosmetic formulations, it is also expected to function as a viscosity-increasing agent, aiding in desired product consistency and stability.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No information regarding dusting potential is available for this ingredient in the provided data.

The Formula

Formulation

Solubility
Unknown
Optimal pH N/A
0 7 14

Stability

Specific optimal pH ranges or detailed stability notes for Polypentaerythrityl Terephthalate are not available. However, related polyester polymers (e.g., PET) are known to be affected by boiling water, strong bases, alkalis, ketones, aromatic and chlorinated hydrocarbons, as well as diluted acids and bases when temperatures exceed 60°C.

Conflicts

  • Boiling water
  • Alkalis
  • Strong bases
  • Ketones
  • Aromatic hydrocarbons
  • Chlorinated hydrocarbons
  • Diluted acids (above 60°C)
  • Diluted bases (above 60°C)

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Polypentaerythrityl Terephthalate, within the class of modified terephthalate polymers, is safe for use in cosmetics under current practices. This assessment was partly based on the established safety of polyethylene terephthalate (PET) in medical devices, considering chemical equivalence and lower exposure risks in cosmetic applications. While a theoretical concern existed regarding jagged glitter particles potentially causing eye damage, use tests indicated that glitter does not typically enter the eye under normal conditions.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

While deemed safe by regulatory bodies, the absence of reported cosmetic uses, specific efficacy studies, and concentration data for Polypentaerythrityl Terephthalate currently classifies it as an ingredient with insufficient data for a definitive performance rating.

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