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A calcium salt of Pyrrolidone Carboxylic Acid (PCA). It acts as a skin conditioning agent and humectant, helping to maintain skin hydration and barrier function.
Beneficial for
Safety summary
Generally considered safe for cosmetic use.
CAS Number
31377-05-6
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.