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BIOSPHERE-AIOne plant. An Eastern mission.

PCA

吡咯烷酮羧酸

Also known as L-2-Pyrrolidone-5-carboxylic acid

CAS 98-79-3EC 202-700-3PubChem CID 7405

HUMECTANTMOISTURISINGIrritancy 0/5 · Comedogenic 0/5Routine

What it is and how it is used

Proline carboxylic acid, NMF component; humectant, generally low irritation but may sensitise.

Status in national inventories

China · Inventory of existing ingredients01327leave-on 1.835%
EU · CosIng77186功能 HUMECTANT, MOISTURISING

Matched on the exact INCI name; salts, esters and synonyms may be missed. The latest official text prevails.

Popular products with this ingredient 116 products

Functions from EU CosIng and the China inventory; irritancy, comedogenicity and rating are our internal reading, not a regulatory conclusion. Structure and molecular data from PubChem.

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