The Library · Vol. 01Entry No. 136· Chapter 14

Sodium PCA

Sodium Pyrrolidone Carboxylate

The sodium salt of pyrrolidone carboxylic acid (PCA), one of the most abundant components of the skin's Natural Moisturizing Factor (NMF). PCA is produced naturally during the breakdown of filaggrin in the stratum corneum, and sodium PCA is used in skincare to replenish this endogenous humectant.

1
Active compounds
2
In our products
14
Topicals & Botanicals
Sodium PCA (Sodium Pyrrolidone Carboxylate)

Sodium Pyrrolidone CarboxylateBotanical illustration

§ 1The molecules

Active compounds.

No.01

Pyrrolidone Carboxylic Acid

DL-Pyroglutamic acid sodium salt

Why this matters

  • 01Replenishes a key component of the skin's natural moisturizing factor (NMF)*
  • 02Helps maintain optimal hydration levels in the stratum corneum*

*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

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