The Isntree Ultra-Low Molecular Hyaluronic Acid Toner is a deeply hydrating formula that utilizes a complex of hyaluronic acid in various molecular sizes, including an ultra-low 329Da, to ensure moisture is delivered and retained at every layer of the skin. Its unique composition, enriched with Ulleungdo deep sea water, provides a refreshing hydration boost suitable for all skin types, promoting a plump, moisturized complexion with minimal oiliness.