Isophthalic Acid …
INCI: ISOPHTHALIC ACID/PENTAERYTHRITOL CROSSPOLYMER BENZOATE/ISOSTEARATE
Reviewed by Kate · Last updated 18 Aug 2026
What Is Isophthalic Acid …?
Isophthalic Acid/Pentaerythritol Crosspolymer Benzoate/Isostearate is a copolymer of Isophthalic Acid and Pentaerythritol which is end-capped with Benzoic Acid or Isostearic Acid; 1,3-Benzenedicarboxylic Acid, Polymer with 2,2-Bis(Hydroxymethyl-1,3-Propanediol, Benzoate Isooctadecanoate.
Its declared cosmetic functions are film forming and viscosity controlling.
Source: European Commission CosIng inventory.
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