Ingredient glossary / Humectant
Sodium hyaluronate (hyaluronic acid salt)
On the label: Sodium Hyaluronate · Humectant
What it is
The salt form of hyaluronic acid, a sugar molecule that binds many times its weight in water. Molecular weight decides how deep it goes; most sits on the surface and holds water there.
Humectants: Humectants draw water into the outer layer of skin from the air and the layers below; glycerin is the classic one.
In the research
220 PubMed papers mention it with skin, cosmetics or hair; the three most recent:
- Extrusion Behavior, Osmolality and pH of a Reconstituted Conditioned-Medium Cosmetic Product: A Pilot Physicochemical Comparison of Two Reconstitution Vehicles · Molecules (Basel, Switzerland), 2026
- Safety and Efficacy of a Lyophilized Compound Sodium Hyaluronate Injection for the Improvement of Skin Texture · Aesthetic plastic surgery, 2026
- Dual-Function Microneedle Patch for Retinyl Acetate Delivery and Lactate Sensing in Skincare Management · ACS sensors, 2026
A paper is a paper, not a verdict: titles are listed so you can read them, and a study on cells or mice says little about a cream on a face.
Products whose label lists it
4 on the siteMatched from the ingredient list the supplier printed; the position in the list (first or thirtieth) is on each product page.
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Made in the USAOther humectants
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