The clinical use of Bright Nail is still very effective in treating gray nails, and the usual course of treatment takes about 2 months. This medicine is generally used for tinea pedis, tinea corporis, tinea capitis, tinea pedis, tinea cruris, tinea nail; concurrent bacterial infections can also be used. It can be combined with oral itraconazole to treat gray nails with better results. You can soak the diseased nail first, then use a nail file to remove the diseased nail, then take an appropriate amount of the medication and apply it to the affected area, depending on the severity of the disease, you can choose to use it 1-3 times a day. Patients should pay attention to nail care during the medication to prevent secondary infection.