Is Acrylates Crosspolymer-4 vegan?

Acrylates Crosspolymer-4

Vegan

Acrylates Crosspolymer-4 is a synthetic copolymer of acrylic acid, methacrylic acid, or their simple esters, crosslinked with trimethylolpropane triacrylate. It is used in cosmetics as a thickening and stabilizing agent. Note: the CAS number provided in source data (55-56-1) corresponds to chlorhexidine and is incorrect for this ingredient, so it has been omitted.

INCI name Acrylates Crosspolymer-4
CAS number 55-56-1
CosIng ID 87994
Last reviewed 4 July 2026

Sources

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.