Widely used in medical and laboratory settings, this solution serves as an effective antiseptic for topical application on minor cuts and wounds, helping to prevent infection. It is also commonly used as a disinfectant for skin before surgical procedures. In diagnostic medicine, it is applied during endoscopic procedures to help detect abnormal cells in the esophagus and cervix, particularly in identifying precancerous or cancerous lesions. In emergency situations, it can be administered to protect the thyroid gland by blocking the uptake of radioactive iodine following exposure to radiation. Additionally, it is used in small doses as a supplement to treat iodine deficiency in certain populations. In laboratories, it acts as a staining agent in microscopy, especially for detecting starch in biological samples, turning blue-black in its presence.