Pca
A cosmetic ingredient used as humectant, moisturising in skincare, haircare, and personal-care products sold in the European Union.
What is it?
L-2-Pyrrolidone-5-carboxylic acid
What does it do?
Pca is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Humectant
draws moisture from the air or deeper skin layers to the surface, helping skin retain water
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Moisturising
increases the water content of skin or hair, leaving it softer and more pliable
EU regulatory status
Pca is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Pca?
Pca is a cosmetic ingredient catalogued in the EU CosIng database. L-2-Pyrrolidone-5-carboxylic acid
Is Pca allowed in cosmetics in the EU?
Yes. Pca is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Pca do in cosmetic products?
Pca is declared in the EU cosmetic ingredient inventory with these functions: humectant, moisturising.
What is the CAS number of Pca?
The CAS (Chemical Abstracts Service) number for Pca is 98-79-3.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010