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Ingredient guide
hydrolyzed sodium hyaluronate
In short
Hydrolyzed sodium hyaluronate is a smaller-fragment form of hyaluronic acid that can move into the upper layers of the skin’s surface more easily. It helps boost hydration and give a smoother, replenished look.
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Works for
Hydration
Skin type
Dry
Best used
Anytime
What it is
Enzymatically or acid-hydrolysed sodium hyaluronate with average molecular weight typically below 50 kDa; smaller fragments diffuse further into the upper stratum corneum; distinct INCI from sodium hyaluronate and sodium acetylated hyaluronate entries.
Also found as
Related
Where to find it
La Roche-Posay Hyalu B5 Serum
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Common questions
Its small size allows it to draw in water to the upper layers of the stratum corneum, supporting a plump, hydrated appearance.
Yes, it’s widely used for dryness because it helps improve how skin holds moisture. It also works well with other humectants.
You’ll find it in many hydrating serums and creams, often combined with different molecular weights of HA for layered hydration.
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Personal guidance only · For clinical concerns, see a dermatologist.