AMPS/HEMA CROSSPOLYMER
AMPS/HEMA CROSSPOLYMER is permitted in cosmetics in the EU with restrictions — Annex III, entry 33 of Regulation (EC) No 1223/2009. Review the conditions of use, permitted concentration and Safety Gate alerts.
Regulatory status as of 2026-08-28 (per the CosIng database).
About the ingredient
AMPS/HEMA Crosspolymer is a copolymer of 2-Acrylamido-2-Methylpropane Sulfonic Acid and HEMA crosslinked with N,N'-methylene-bis-acrylamide.
EU regulatory status
Annex of Regulation (EC) No 1223/2009: III/33
Source: the European Commission's official CosIng database and Regulation (EC) No 1223/2009 of the European Parliament and of the Council on cosmetic products. How we assess ingredients — full methodology.
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Functions in cosmetics
Frequently asked questions
Is AMPS/HEMA CROSSPOLYMER safe in cosmetics?
AMPS/HEMA CROSSPOLYMER is permitted in cosmetics in the EU, but subject to the conditions set out in Regulation (EC) No 1223/2009 — typically a maximum concentration, product category or a mandatory warning on the packaging. Manufacturers must comply with these limits.
In which annex of Regulation 1223/2009 is AMPS/HEMA CROSSPOLYMER listed?
AMPS/HEMA CROSSPOLYMER is listed under reference III/33 in the annexes of Regulation (EC) No 1223/2009 on cosmetic products. The first part (Roman numeral) indicates the annex: II – prohibited substances, III – substances restricted by conditions, IV – permitted colorants, V – permitted preservatives, VI – permitted UV filters.
What functions does AMPS/HEMA CROSSPOLYMER perform in cosmetics?
According to the European Commission's CosIng database, AMPS/HEMA CROSSPOLYMER performs the following functions in cosmetics: VISCOSITY CONTROLLING. Functions are defined in the CosIng glossary and describe the technological role of a substance in the finished product.
Are there Safety Gate alerts concerning AMPS/HEMA CROSSPOLYMER?
Our copy of the EU Safety Gate database currently contains no alerts linking AMPS/HEMA CROSSPOLYMER to a cosmetic recall. The database is refreshed regularly from the European Commission's official Safety Gate system.