Ingredient
Proline
L-Proline
Pyrrolidine-2-carboxylic acid
What it is
A proteinogenic amino acid abundant in collagen and a component of the skin's natural moisturizing factor (NMF).
How it works
Helps hold water in the stratum corneum and supports collagen structure, contributing to hydration and barrier function.
What it does
Humectant
Skin conditioning
Antistatic
Concerns to know
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Barrier & hydration support
A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.