The main ingredient of chitosan is chitosan, which can promote the repair of wounds, epidermal abrasions, surgical incisions, epidermal and mucosal repair, and diffuse erosions of the vagina and perineum. This is usually achieved by disinfection followed by the application of chitosan wound repair film gel, which promotes wound repair. However, it is necessary to control the local inflammation of the wound and avoid infection in order to use this drug to be effective, if the infection is in progress, the use of these drugs is not effective. In addition, if you have an allergic reaction to chitosan, you should not use it.