A Korean beta glucan hydrating serum from iUNIK — built on one hero ingredient at an extraordinary concentration: 400,000ppm Beta-Glucan, which stores 20% more moisture than Hyaluronic Acid.

Only 10 ingredients total. No fragrance, no alcohol, no unnecessary additives. Just deeply effective hydration that keeps skin plump, soft, and comfortable all day. Best for dry, dehydrated, sensitive, or acne-prone skin as a dedicated hydration layer after toner. Fragrance-free. Vegan. 50ml.

• Beta-Glucan 400,000ppm — 20% More Moisture Than HA — a polysaccharide from mushroom yeast cell walls with a larger molecular structure than Hyaluronic Acid. Forms a more substantial moisture-locking film on the surface for 20% greater moisture retention. Also soothes sensitive skin and supports barrier resilience — benefits HA doesn't offer.
• Glycerin + Sodium PCA — Dual Humectant — two of the most effective humectants in skincare. Sodium PCA is a naturally occurring component of the skin's own Natural Moisturizing Factor, drawing water from the environment and maintaining hydration between applications.
• Adenosine — Subtle Firming Benefit — adds a firming and elasticity benefit to what is primarily a hydration serum. Smooths the appearance of fine lines over time. One active that earns its place even in a 10-ingredient formula.
• Only 10 Ingredients — Nothing Unnecessary — the minimal formula is intentional. No fragrance, no alcohol, no essential oils, no actives that could irritate. Layers seamlessly under any moisturizer, serum, or sunscreen without pilling or interactions. Non-comedogenic.

After cleansing and toning, use the dropper to apply 1–2 drops and gently pat for absorption. A little goes further than expected. Best used right after toner, before other serums and moisturizer. Fragrance-free. Vegan. 50ml.

More from Olive Kollection
Shop the full iUNIK collection, browse our serums and ampoules, or find more for barrier repair.

Authentic Korean skincare at Olive Kollection since 2018 — free US shipping on orders $40+.