LANEIGE’s Water Bank Blue Hyaluronic Serum delivers long-lasting, deep moisture in a weightless, non-greasy gel that helps skin look plumper, firmer, and more luminous while staying comfortable for daily wear. Easy to layer, it supports a smoother, fresher-looking complexion without heaviness, making it a reliable step for consistent hydration.Powered by blue hyaluronic acid, peptides, and probiotic lysate, and enriched with deep-sea algae fermentation, it helps support and restore the skin barrier while locking in steady hydration that builds natural radiance and a healthier-looking glow over time. Dermatologist-tested with a subtle scent from its own ingredients, it leaves skin feeling hydrated and visibly smoothed for days.