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*
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.

Sodium Pyrrolidone CarboxylateBotanical illustration
§ 1The molecules
DL-Pyroglutamic acid sodium salt
Why this matters
*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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