I needed to see an neurologist. This ingredient should be applied externally on the skin and nails. Kerressentials oil, a doctor-formulated oil, prevents nail fungus. Tinea unguium is most commonly a problem with your toenails. We will evaluate the progress of treatment throughout and make any necessary adjustments. Hayag explains that it is widely accepted that a healthy diet and a healthy body are inextricably linked." It prevents enzymes from damaging the body's vital molecules and promotes overall health.