Sodium PCA — the sodium salt form of PCA is an important skin-identical ingredient and great natural moisturizer that helps the skin hold onto water and stay nicely hydrated. PCA stands for Pyrrolidone Carboxylic Acid and can be found naturally in our skin.
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Bev's Skincare Glossary
Want to know more about the details in the chemistry of skin care?
Here you can look up any topic - sorted alphabetically - and read more about what each ingredient includes and does for your skin.