Put equal amount of tea tree oil and lavender oil on a cotton ball or swab. Dab it under the top edge of the toe nail and surrounding area 2 or 3 times a day. Tea tree oil is natural antibiotic and lavender will help fight the infection and prevent skin irritation, as it has antiseptic properties. This combination of oils is often used to treat paronychia and onychomycosis as they are both very potent and can help to treat even severe cases. It is best to warm these oils before using them as this increases the amount of oil that is absorbed by the skin. Tea tree oil and lavender oil are essential oils and contain several volatile compounds. It is therefore, important to dilute them in a carrier oil such as olive oil before you apply them to your skin. You can make your own anti fungal oil by mixing equal amounts of tea tree oil, lavender oil, and a carrier oil. Before you go to sleep, make sure that you apply this oil to your affected toenails. You can also put on a pair of thick woolen socks as this will help to trap your body heat and this in turn will increase the effectiveness of this remedy. It is important to use this treatment on a daily basis, particularly if you have neglected this problem for a while and allowed it to worsen.