The ingredient, explained

Ammonium Acryloyldimethyltaurate/vp Copolymer

A published expert safety assessment covers the exact ingredient in the specified exposure context.

Viscosity controlling

Ingredient guide

What it is and what it does

Ammonium Acryloyldimethyltaurate/VP Copolymer is a copolymer of ammonium acryloyldimethyltaurate and vinylpyrrolidone monomers

About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗

Viscosity controlling: Adjusts how thick or fluid a product is.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Safety assessment

Panel judged 27 listed polymers safe in cosmetic uses and concentrations assessed, including this exact copolymer.

What this does not tell us

Grouped safety review with read-across and manufacturing/monomer limits. Three urethane polymers had insufficient data; no thickener clinical efficacy claim.

Sources for this summary. PubMed 39045851 ↗

Research review checked Oct 1, 2026

Bounded review of local candidates, exact-name indexed primary journal/PubMed safety and topical searches; not a systematic review.

Ingredient research is not proof that a product containing this ingredient works.