Fungal Oil Blend is intended for use with the Toenail Fungal Foot Soak to be applied directly to the toenail after using the soak. It can be used alone, however the results will not be as satisfying as when used in conjunction with the other herbs. Please use caution applying to skin as it may be irritating. Ingredients: Infused Wildcrafted Chapparal (Larrea tridentata) oil, Clove Bud & Tea Tree Essential oils. Fungal Oil Blend