For those who don hearing aids, to prevent oil and wax from blocking up your Listening to aids, just use the Earol at night, and afterwards wipe out the entrance within your ear canal by using a tissue in the morning prior to deciding to put your Listening to aids https://www.google.com/maps/d/u/0/edit?mid=1g2g0wdvv_1zncEFxQr6DdNZWBsTHJyk&usp=sharing