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Sodium PCA

Also known as: sodium pyrrolidone carboxylate, sodium pyroglutamate

Safe

Assessed as safe for cosmetic use by the Cosmetic Ingredient Review at typical use concentrations. Should be formulated to avoid nitrosamine formation when combined with secondary amines.

What it is

Sodium salt of pyrrolidone carboxylic acid, a component of skin's natural moisturizing factor.

Strong humectant and skin-conditioning agent used in cosmetics; not a food ingredient.

Regulatory status

United States — FDA

Permitted cosmetic ingredient

European Union — EFSA

Not a food ingredient; permitted cosmetic ingredient under EU Cosmetic Regulation

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