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Magnesium Pca

What Magnesium Pca is & what it does

Magnesium PCA is the magnesium salt of pyrrolidone carboxylic acid (PCA), used in skincare and sunscreen formulas as a humectant and conditioning agent. It helps attract and hold water in the formula and on the skin surface, which can support a smooth, hydrated feel. A notable property is that PCA is part of the skin's own natural moisturizing factor, so its salts are valued as skin-compatible humectants.

Is Magnesium Pca safe?

Magnesium PCA is the magnesium salt of a compound found in the skin's own natural moisturizing factor, and it is generally considered safe at cosmetic levels. It is typically used at low concentrations as a humectant. Patch testing is reasonable if your skin is easily irritated.

What does Magnesium Pca do in skincare?

Magnesium PCA works as a humectant and conditioning agent, helping attract and hold water in the formula and at the skin surface. This can support a smooth, hydrated feel. PCA is part of the skin's natural moisturizing factor, which is why its salts are valued as skin-compatible humectants.

Is Magnesium Pca vegan?

Magnesium PCA used in cosmetics is generally made synthetically and contains no animal-derived material, so it is usually considered vegan. The vegan status of a finished product also depends on its other ingredients and the brand's policies. Check the brand's labeling to be sure.

Sunscreens with Magnesium Pca

We rate 7 sunscreens that contain it:

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