Science
Mechanism of Action
As a polymeric film former, this ingredient creates a thin, flexible layer on the skin's surface. This film can subtly alter the way light interacts with the skin, which may optically minimize the visibility of minor textural imperfections and contribute to an overall smoother complexion. This effect is purely superficial and transient.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While specific stability data for this exact copolymer is not available, related polyurethane copolymers have been observed to resist significant hydrolysis within a pH range of 4 to 9, suggesting a potentially stable profile in typical cosmetic formulations.
Conflicts
- Acids (for raw monomer)
- Strong oxidizing agents (for raw monomer)
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically reviewed ISOPHORONEDIAMINE/ISOPHTHALIC ACID/PENTAERYTHRITOL COPOLYMER. However, general evaluations of polyurethanes by the CIR highlight concerns regarding residual diisocyanate monomers. These unreacted monomers can be potent irritants and sensitizers, capable of causing allergic contact dermatitis and occupational asthma. The CIR emphasizes that rigorous good manufacturing practices (GMP) are critical to ensure that these residual monomers are not present in the final cosmetic ingredient or formulation. The unreacted Isophorone Diamine monomer is classified as causing severe skin burns, eye damage, and potential allergic skin reactions; this risk pertains to the monomer itself, not necessarily the fully polymerized cosmetic ingredient.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This copolymer is expected to function as a film-forming and surface-modifying agent, offering potential aesthetic benefits, but specific safety and efficacy data for this exact compound are currently limited, warranting careful consideration of manufacturing quality.
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