Amorolfine Hydrochloride is used to treat nail infections caused by sensitive fungi and is applied as follows: First, take out a nail file from the kit and file the surface of the infected nail smoothly. Try to avoid touching the healthy nail during the filing process. Step 2: Take out the swab from the box and use it to further clean the nails that have been filed in step 1. Step 3: Take out the applicator with the spatula and apply it evenly on the affected nail. Step 4: Wait for 3 minutes for the application to dry and the application is complete.