It softens hardened ear wax and the unique active ingredient, carbamide peroxide, has an effervescing action that helps break up and disperse ear wax, allowing it to move naturally out of the ear. As a result of the effervescing action, sometimes a slight bubbling can be heard in the ear as the carbamide peroxide works to break up the wax. This is not always the case as it depends on the type of wax and how blocked the ear is. An Australian study found that Ear Clear Ear Wax Remover dispersed a greater percentage of ear wax than both Waxsol and Cerumol at 45 minutes. Ear Clear Ear Wax Remover has an easy squeeze dropper to make treating the build-up simple and easy. After using Ear Clear Ear Wax Remover the wax will usually come out by itself and may avoid the need for syringing or other medical treatment. Any remaining ear wax may be removed by gently washing the ear using Ear Clear Cleansing Spray. Ear Clear Cleansing Spray can also be used to help prevent a wax build-up in the future.