1, iodophor and silver earrings will react. Iodine in iodophor will react with silver to generate silver iodide, silver iodide on the human body has a certain degree of irritation, will cause local skin discomfort, and silver iodide is black, will make the silver earrings dark. Silver earrings should not be sterilized with povidone-iodine, and should be sterilized with 70% alcohol immersion.

2, povidone iodine is a single iodine and polyvinylpyrrolidone indeterminate conjugate. Polyvinylpyrrolidone can be dissolved and dispersed 9% to 12% of the iodine, this time showing a purple-black liquid. However, medical povidone iodine is usually lower in concentration (1% or less) and appears light brown.

3, povidone iodine has a broad-spectrum bactericidal effect, can kill bacterial propagules, fungi, protozoa and some viruses. Used as a bactericidal disinfectant in medical treatment, it can be used for disinfection of skin and mucous membranes, and can also be used to deal with burns, treatment of trichomonas vaginitis, mycosis vaginalis, and skin mycobacterial infections. It can also be used for pre-surgery and other skin disinfection, skin disinfection of various injection sites, instrument immersion disinfection and disinfection before vaginal surgery.