Laneige Water Bank Aqua Facial Serum
Ingredients and claims, checked

Last checked September 7, 2026
What is it like at a glance?
What is this product?
- What to expect
- It's made for better hydration.
- Key ingredients
- Gluconolactone, Salicylic Acid, Lactic Acid
A serum that adds targeted ingredients after toner. Gluconolactone is a gentle exfoliant (PHA), and Ceramide is a skin barrier lipid.
What's good, and what to watch for?
Good points
- Gluconolactone, Salicylic Acid and Lactic Acid smooth away dead skin
Watch-outs
- Pregnancy: check first (Salicylic Acid)
- If you get fungal acne: Lactobacillus Ferment Lysate, Sphingomonas Ferment Extract
What is in it?
The full ingredient list as the brand publishes it, in the printed order. Tap a name to read about that ingredient.
This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary.
Key ingredientWorth a closer look
- Water
- Betaine
- Gluconolactone
- Glycerin
- Butylene Glycol
- Dipropylene Glycol
- Sodium Lactate
- Glycereth-26
- Niacinamide
- Dimethyl Isosorbide
- Tromethamine
- Lactobacillus Ferment Lysate
- 1,2-Hexanediol
- Caffeine
- Diethoxyethyl Succinate
- Vaccinium Myrtillus Fruit Extract
- Allantoin
- Dextrin
- Propanediol
- Pectin
- Saccharum Officinarum (Sugarcane) Extract
- Salicylic Acid
- Sodium Gluconate
- Sphingomonas Ferment Extract
- Lactic Acid
- Glycolic Acid
- Ethylhexylglycerin
- Xanthan Gum
- Citrus Aurantium Dulcis (Orange) Fruit Extract
- Citrus Limon (Lemon) Fruit Extract
- Cyclodextrin
- Acrylates/Stearyl Methacrylate Copolymer
- Hydrolyzed Hyaluronic Acid
- Tremella Fuciformis Sporocarp Extract
- Hyaluronic Acid
- Acer Saccharum (Sugar Maple) Extract
- Protease
- Calcium Chloride
- Ceramide NP
- Glutathione
- Polyglutamic Acid
- Sodium Hyaluronate Crosspolymer-6
- Glyceryl Caprylate
- Hydrolyzed DNA
Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.
What the claims add up to
- Only partly backed:
- better hydration
- Don't count on:
- better barrier support · less visible pores
See each claim, checked (6)
Claims, checked
7.7% Acid Complex (PHA·AHA·BHA) and Hydro Infusion Shot™ evenly refine skin texture and provide deep hydration and healthy radiance.
partly backedIn the human application test (test institution: Global Medical Research Center Co., Ltd., 32 adult women aged 20~55, 2025-05-07~2025-06-05), moisture level improved by +113.3% immediately after use, and skin barrier improved by +14.6% after 4 weeks.
overstatedAfter 4 weeks, radiance indicators improved by +34.94% on the forehead, +9.75% on the nose bridge, and +38.81% on the cheeks.
overstatedIn the 4-week usage survey, 100% felt skin texture became soft and smooth, 90% felt pores were refined, 100% felt moisture filled deep into the skin, 93% felt skin barrier improvement, 96% felt healthy radiance, and 96% felt radiance was sustained (same test institution).
no supporting source foundCompared to one skin boosting treatment at a professional skin care institution, after 4 weeks of product use, an equivalent or superior water-glow effect was confirmed.
no supporting source foundDermatological test, hypoallergenic test, and sensitive panel test completed, and it is a 13-FREE formula.
no supporting source found
We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.