Laneige
Water Bank Blue Hyaluronic Serum
A water-rich serum with Blue Hyaluronic Acid, squalane, and beta-glucan for a cushiony, hydrated finish.

What it is
Laneige Water Bank Blue Hyaluronic Serum is a water-rich hydration serum built around Blue Hyaluronic Acid and a lightweight, cushiony texture. The brand positions it as a daily serum for thirsty skin that wants a fresh, comfortable finish.
Key ingredients
- Blue Hyaluronic Acid: Laneige highlights this as the hydrator that delivers long-lasting moisture support.
- Squalane and beta-glucan: These ingredients help support a comfortable, cushiony finish and a moisture-rich feel.
- Lactobacillus ferment lysate: The formula includes this fermented ingredient to support a smoother-looking complexion.
How to use
Apply to clean, toned skin and use it morning and evening as part of a standard hydration routine. Laneige presents it as a serum step before moisturizer.
Who should be careful
This formula includes fragrance/parfum, so people sensitive to fragrance may want to patch test first. This is general product information, not medical advice.
What the brand claims
Laneige says the serum delivers effective, long-lasting hydration and helps skin look smoother and more comfortable. The product page also frames it as a serum that supports a hydrated, glass-skin look.
Sources
- https://us.laneige.com/products/water-bank-blue-hyaluronic-serum (checked 2026-10-11)
We have not tested this product.
What's on the label
| Category | Hydrating Serums, Essences & Ampoules |
|---|---|
| Brand | Laneige |
| Model | 2569796 |
| GTIN / UPC | 08809803517638 |
| Form | Hydrating facial serum |
| Texture | Lightweight, cushiony serum |
| Key ingredients | Blue Hyaluronic Acid, squalane, beta-glucan, and Lactobacillus ferment lysate |
| Routine step | Serum |
| When to use | Morning and evening after cleansing and toning |
| Key ingredient | None stated |
| Best for | Not specified |
| Fragrance free | No |
| Worth knowing | Fragrance (Parfum) |
| Full ingredient list | Water/Aqua/Eau, Butylene Glycol, Dipropylene Glycol, Glycerin, Squalane, 1,2-Hexanediol, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Propanediol, Carbomer, Cetearyl Alcohol, Tromethamine, Polyglyceryl-3 Methylglucose Distearate, Dextrin, Hydrogenated Lecithin, Ethylhexylglycerin, Fragrance / Parfum, Glyceryl Stearate Citrate, Disodium Edta, Betaine, Hydrolyzed Hyaluronic Acid, Beta-Glucan, Xylitylglucoside, Anhydroxylitol, Xylitol, Lactobacillus Ferment Lysate, Glucose, Tocopherol, Magnesium Chloride, Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate, Undaria Pinnatifida Extract |
| Size | Not stated |
| Source | Brand's own product page Checked |
Guides that mention this product
The Glass-Skin Routine: How to Layer Toner, Essence and Serum for Dewy Skin
A thinnest-to-thickest hydration layering routine for dehydrated skin, with the toners, essences and serums that build a dewy, glass-skin glow.
Common questions
What kind of serum is it?
Laneige describes it as a water-rich hydrating serum with a lightweight, cushiony feel.
Which ingredients does the brand highlight?
The official product page highlights Blue Hyaluronic Acid, squalane, beta-glucan, and Lactobacillus ferment lysate.
How should it be used?
The brand presents it as a serum to use after cleansing and toning, typically morning and evening.
Does the formula contain fragrance?
Yes. Fragrance/Parfum is listed in the manufacturer ingredient list.