Ingredient
Serine
L-Serine
2-Amino-3-hydroxypropanoic acid
What it is
A naturally occurring amino acid and a key component of the skin's natural moisturizing factor (NMF).
How it works
Its water-binding hydroxyl group helps it hold moisture in the stratum corneum as part of the skin's NMF.
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.