Sodium Pca
Ingredient Info
Sodium PCA is a naturally occurring humectant (moisture-attracting ingredient) that helps skin retain water and stay hydrated. It's a sodium salt of pyrrolidone carboxylic acid, a compound found naturally in healthy skin.
Benefits
- Draws moisture into the skin and helps maintain hydration
- Improves skin's natural moisture-retention ability
- Generally well-tolerated and safe for regular use
Science: A 2019 Cosmetic Ingredient Review Expert Panel assessment confirmed sodium PCA and related salts are safe in cosmetics at current use levels. Recent research shows sodium PCA concentrates effectively in the outermost skin layer (stratum corneum) where it provides hydration benefits.
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