Sodium PCA is the salt form of PCA, AKA pyrrolidone carboxylic acid, AKA pyroglutamic acid, AKA proline. Call it what you will, but it's an amino acid. Sodium PCA specifically is a natural component of the skin, making up approximately 12 percent of the skin's natural moisturizing factor or NMF
 
Additional Information:
Delivery Time: Ready Stock
Packaging Details: Silver Foil, Plastic Container