Calcium alginate dressings are not indicated for surgical implantation, dry wounds and control of heavy bleeding. Also, patients with wound infection should change the dressing daily and use the product under the guidance of their physician. It does not apply in cases where surgical instruments must be used to stop bleeding. Wash the wound and dry the surrounding skin before use · As for the dressing, it covers over 2cm around the wound · The product can be applied to the wound for one week at the most.