Humectant

Copper PCA

Reviewed by Kate · Last updated 18 Aug 2026

Also known as: PCA

Synthetic skin-conditioning agent | Composed of the copper salt of PCA

Addresses

Dehydration

What Is Copper PCA?

A synthetic skin-conditioning agent composed of the copper salt of PCA (Pyrrolidone Carboxylic Acid).

Clinical Evidence & References

Published Research

  • Cosmetic Ingredient Review: Safety Assessment of PCA and Its Salts as Used in Cosmetics, 2014 [https://www.cir-safety.org/sites/default/files/pca.pdf]
  • Using Copper to Improve the Well-Being of the Skin, Current Chemical Biology, 2014 [https://pmc.ncbi.nlm.nih.gov/articles/PMC4556990/]

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