Se
Serine
SerineHydrator
An amino acid used as a humectant that helps hold water at the skin surface.
What it does
Serine is an amino acid found in skin's natural moisturizing factor. As a humectant it attracts and holds water at the surface, contributing to a softer, 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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