Ammonium Acryloyldimethyltaurate/VP Copolymer
Reviewed by Emma · Last updated 14 Aug 2026
Synthetic polymer and film-forming agent | Serves to thicken cosmetic formulas
Addresses
EWG Safety Score
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What Is Ammonium Acryloyldimethyltaurate/VP Copolymer?
Ammonium acryloyldimethyltaurate/VP copolymer is a synthetic polymer and film-forming agent that also serves to thicken cosmetic formulas. It is used in low amounts in a variety of products due to its stabilizing abilities and esthetically pleasing feel.
Clinical Evidence & References
Published Research
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Colloids and Surfaces A: Physicochemical and Engineering Aspects, February 2020, Volume 586 [https://www.sciencedirect.com/science/article/abs/pii/S0927775719311240]
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https://www.cir-safety.org/sites/default/files/Vinylpyrrolidone%20Polymers_0.pdf [https://www.cir-safety.org/sites/default/files/Vinylpyrrolidone%20Polymers_0.pdf]
How widely it's used
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- AMMONIUM ACRYLOYLDIMETHYLTAURATE/VP COPOLYMER
- Function
- Viscosity Controlling
From the Clinic
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Take the skin quizOther forms of Ammonium Acryloyldimethyltaurate/VP Copolymer
These appear on ingredients lists under different names but are the same substance. Ammonium Acryloyldimethyltaurate/VP Copolymer is the common form.
Related Ingredients
Ammonium Acryloyldimethyltaurate/VP Copolymer
Synthetic polymer and film-forming agent
Aluminum/Magnesium Hydroxide Stearate
A stabilising compound that strengthens skin barrier function and protects against irritants
Ammonium Acryloyldimethyltaurate/Carboxyethyl Acrylate Crosspolymer
A film-forming polymer that stabilises texture and consistency in skincare formulations
Ammonium Chloride
A pH buffer and texture modifier used to stabilise skincare formulations
Ammonium Polyacryloyldimethyl Taurate
Synthetic polymer that helps stabilise cosmetics and control their texture
Amps/Hema Crosspolymer
A synthetic polymer that stabilises texture and consistency in skincare formulations
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