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Arginine Pca

What Arginine Pca is & what it does

Arginine PCA is a salt that pairs the amino acid arginine with pyrrolidone carboxylic acid (PCA), a natural moisturizing factor found in skin. It is commonly used as a humectant and skin-conditioning agent, drawing in moisture and helping support the skin's surface hydration. It is a well-tolerated ingredient with no flagged concerns in this catalog.

What is Arginine PCA?

Arginine PCA is a salt that pairs the amino acid arginine with pyrrolidone carboxylic acid (PCA), a natural moisturizing factor found in skin.

What does Arginine PCA do in skincare?

It is commonly used as a humectant and skin-conditioning agent, helping draw in moisture and support the skin's surface hydration.

Is Arginine PCA safe?

It is generally considered well tolerated and gentle, with no flagged concerns in this catalog.

Sunscreens with Arginine Pca

We rate 3 sunscreens that contain it:

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