Last reviewed May 2026 · 1 min read
Is Sodium PCA vegan?
Also known as: Sodium pyrrolidone carboxylate
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Source can be plant or animal.
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It depends — It can be derived synthetically or extracted from plant sources (like soybeans).
01 · The basics
What is Sodium PCA?
A naturally occurring humectant found in human skin, used in cosmetics to bind moisture to cells.
02 · The source
Where it comes from
It can be derived synthetically or extracted from plant sources (like soybeans). Historically, it was sometimes extracted from animal proteins, but this is rare today. Verification is recommended.
03 · Alternatives
Best vegan alternatives
Plant-derived Sodium PCA
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Frequently asked
FAQ
Is Sodium PCA vegan?
Most commercial Sodium PCA today is synthetic or plant-derived. Look for a vegan label to be 100% certain.
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