Science
Mechanism of Action
This ingredient functions by maintaining the skin in good condition, likely through the formation of a surface film or by modifying the skin's tactile properties.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While direct stability data for this specific copolymer is limited, related compounds such as Trimethylpentanediol/Adipic Acid/Glycerin Crosspolymer exhibit stability, with hydrolysis not expected to be significant within an environmental pH range of 4 to 9, due to their chemical nature and low water solubility.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically assessed the safety of TRIMETHYLPENTANEDIOL/ADIPIC ACID/ISONONANOIC ACID COPOLYMER. However, related 'Trimellitic Anhydride Copolymers' (e.g., Trimethylpentanediol/Isophthalic Acid/Trimellitic Anhydride Copolymer) were deemed to have insufficient data for safety in most cosmetic formulations, with an exception for safe use in nail products under specific concentrations. An Australian Industrial Chemicals Introduction Scheme (AICIS) assessment for Trimethylpentanediol/Adipic Acid/Glycerin Crosspolymer (a related but distinct compound) indicated a low hazard profile, noting it was non-irritating to skin and only slightly irritating to eyes, with no residual monomer anticipated. Similarly, 'Trimethylpentanediol/Adipic Acid Copolymer' (lacking Isononanoic Acid) is listed by EWG Skin Deep with low concern for cancer, allergies & immunotoxicity, developmental and reproductive toxicity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While recognized for its skin conditioning properties, comprehensive safety data specifically for TRIMETHYLPENTANEDIOL/ADIPIC ACID/ISONONANOIC ACID COPOLYMER is currently unavailable, necessitating further research for a definitive safety assessment across all cosmetic applications.
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