Sodium hyaluronate; hydrolyzed hyaluronic acid.
Humectant, film-forming hydration support, skin-conditioning agent.
Serums, moisturizers, masks, eye products, sunscreens.
Molecular form, formula texture, supporting humectants, sealing ingredients, and climate.
Common role
Hyaluronic acid ingredients can appear in different forms, including sodium hyaluronate and hydrolyzed versions. They are usually used to support hydration feel and surface smoothness.
How to read it
Look at the formula around it: glycerin, glycols, panthenol, betaine, emollients, and occlusives all change the final feel. A product does not become deeply hydrating just because the ingredient appears on the label.
Context
In very dry conditions, humectant-heavy formulas may feel different unless paired with enough emollient or occlusive support.
Limits
Ingredient lists rarely show molecular weight or exact percentage. Finished-product testing and your own use context matter.
Practical reader checklist
Use this ingredient page as a sequence, not as a score. First confirm the product type and area of use. Then look at where the ingredient appears, which function group it belongs to, and whether nearby ingredients change the likely role. Finally, compare the label with your own routine: frequency, layering, climate, cleansing step, and any repeated reactions.
| Question | Why it matters | Useful next step |
|---|---|---|
| Is the product rinse-off or leave-on? | Contact time changes how much the ingredient matters. | Read category guides before making a preference rule. |
| Is this a base ingredient or a claim ingredient? | Some names mainly shape texture, while others support a front-label claim. | Check surrounding humectants, emollients, preservatives, fragrance, and actives. |
| Have I reacted to a similar formula before? | Personal history is more useful than a universal rating. | Record the full product and routine, not only one ingredient. |
What this page cannot tell you
No ingredient dossier can show exact concentration, raw material grade, processing method, finished-product stability, packaging compatibility, preservative challenge testing, or your own tolerance. Treat the dossier as a way to narrow the next check, then return to the original label and current product version.
After reading the method, open the iOS app to review product records, ingredient tables, source notes, and personal preference profiles.