70% alcohol;
10 volumes hydrogen peroxide;
White vinegar;
PREPARATION METHOD:
Mix equal parts of alcohol and 10-volume hydrogen peroxide.
Then add a little white vinegar and stir well.
Apply the solution to the infected nails using a piece of cotton and leave it to act for 15 minutes.
After the time has elapsed, wash thoroughly with water and dry well.
Repeat this process twice a day until the problem is gone.