Science
Mechanism of Action
This ingredient functions by creating a resilient, uniform film upon application, enhancing surface integrity. Its polymeric structure, derived from 2-hydroxyethyl acrylate (HEA) and isophorone diisocyanate (IPDI), incorporates stable isocyanurate rings that contribute significantly to its thermal and dimensional stability.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The isocyanurate rings impart high thermal stability, with decomposition typically initiating above 400°C. As a core crosslinker, the IPDI trimer exhibits lower reactivity compared to linear aliphatic diisocyanates, providing a longer room-temperature pot life of approximately 24-72 hours. Reactivity can be precisely modulated with 0.01%–0.1% dibutyltin dilaurate (based on solids).
Safety
Safety Profile
TRIS-HEA IPDI ISOCYANURATE TRIMER has not undergone direct safety assessment by the CIR, SCCS, or FDA. However, related HDI polymers, such as Methoxy PEG-17/Methoxy PEG-11/HDI Isocyanurate Trimer Crosspolymer, have been evaluated by CIR and reported as dermally non-irritating in rabbits. It is important to note that unreacted diisocyanate monomers, which are precursors, can be hazardous in industrial settings, potentially causing respiratory issues, sensitization, or irritant/allergic contact dermatitis. EU cosmetic regulations mandate rigorous safety assessments to mitigate potential risks, including endocrine disruption.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While this ingredient demonstrates efficacy as a film-forming agent with robust thermal stability, the current lack of direct safety assessments and specific skin-focused clinical studies necessitates further evaluation for its inclusion in precision skincare formulations.
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