Our database has 32 products that contain PCA.

Ingredient Description

L-2-Pyrrolidone-5-carboxylic acid

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PCA Stats

  • PCA is a rare cosmetic ingredient!
  • 1% of products in our database contain it.

Ingredient Functions

Humectant A substance that promotes retention of moisture.
Moisturising To add or restore moisture

CosIng Data

  • CosIng ID: 77186
  • INCI Name: PCA
  • INN Name: pidolic acid
  • EC #:  202-700-3
  • All Functions: Humectant, Moisturising
What is CosIng?

CosIng is the European Commission database for information on cosmetic substances and ingredients.

SkinSort uses CosIng to source some of it's data on ingredient names and functions.