Our Exstroyeza Pen contains hydrogenated castor oil, parsley extract, caramel. It kills nail fungus and nourishes repair. Its use method is very simple: wash the affected area and wipe it dry, pull out the top cover, rotate the bottom clockwise, take appropriate amount of this product on the affected area of the finger (toe), once a day and once a day, until cured. Effectively repair nails and cuticles damaged by bacterial infection, making nails look clear and healthy again.