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Proline
ProlineHydrator
An amino acid used as a humectant and conditioning agent at the skin surface.
What it does
Proline is an amino acid. As a humectant it helps draw and hold water at the skin surface and acts as a conditioning ingredient that contributes to a smoother feel. It is a hydration ingredient rather than a skin active.
This page is public and indexed on purpose (unlike profiles and drops, which are unlisted) — it’s the citation behind shared ingredient cards, and it should be findable.
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