The mechanism behind Sodium PCA is precise: Naturally occurring in skin NMF; attracts moisture; enhances other humectants. That specificity is what separates it from broader-category ingredients that work in less targeted ways.
The scientific name is Sodium PCA. Naturally occurring in skin NMF; attracts moisture; enhances other humectants. This mechanism is consistent across properly formulated products, which means the real variable is concentration and delivery system.
Typical working concentration is 1–5%. Best suited to all skin types skin. Primary applications: hydration, part of skin’s nmf.
Works well with: Glycerin, hyaluronic acid.
Salt of pyrrolidone carboxylic acid; biomimetic humectant.