ISNTREE Ultra-Low Molecular Hyaluronic Acid Serum is an advanced hydrating serum featuring 14 different types of hyaluronic acid and mineral-rich deep sea water from Ulleung Island, Korea. This lightweight formula provides deep moisturization while helping strengthen the skin barrier for long-lasting hydration. Key features: • Contains 14 types of hyaluronic acid for multi-level hydration • Enriched with mineral-rich deep sea water from Ulleung Island • Quick-absorbing, lightweight formula • Helps strengthen skin barrier • Non-sticky texture • Suitable for all skin types The serum combines glyceryl glucoside and madecassoside to provide sustained moisture while offering anti-inflammatory benefits. The ultra-low molecular weight hyaluronic acid allows for deeper penetration into the skin layers. For best results, apply a few drops after cleansing and toning, gently patting into the skin until fully absorbed. Can be used both morning and night as part of your skincare routine.