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A salt formed from Arginine and Pyrrolidone Carboxylic Acid (PCA). Both are natural moisturizing factors (NMFs), making this an excellent humectant and skin conditioning agent that helps maintain skin hydration.
Beneficial for
Safety summary
Generally considered safe and well-tolerated.
CAS Number
56265-06-6
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.