How To Use Earol Olive Oil Spray Earol Olive Oil Spray can also be used a few days prior to ear syringing to prepare the ear for easier wax removal. The specially tapered actuator makes the spray easy to dispense into the ear while avoiding access to the ear canal avoiding damage to the delicate mechanisms inside the ear. Earol provides enough applications for both ears for up to 14 days. Before Ear syringing: Administer one or two applications of Earol to the ear twice a day for 4 to 5 days before ear syringing. To clear ear wax & for wax build up prevention: Apply one application of Earol to the ear once a week. This product is not suitable for anyone with a nut allergy