Ingredient
Anhydroxylitol
1,4-Anhydro-D-xylitol
What it is
A small cyclic sugar molecule derived from xylitol, used as a lightweight moisturizing ingredient in ampoules and essences.
How it works
Its small molecular size and strong affinity for water let it penetrate quickly into the stratum corneum and draw moisture into the skin's surface layers.
What it does
Humectant
Skin conditioning
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.