1,3-Isobenzofurandione, 5-carboxy-, polymer with 1,3-benzenedicarboxylic acid and 2,2,4-trimethyl-1,3-pentanediol
CAS #
92-44-4
State
Solid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Viscosity Controlling
Creates Protective Barrier
Controls Viscosity
Creates protective layer
Controls product thickness
Traditional Use
A synthetic polymer developed for modern cosmetics as a film-forming and water-resistant agent. Used in long-wear makeup formulations to improve adherence and durability.